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74048730 = 23572315331
BaseRepresentation
bin1000110100111…
…10010011011010
312011100001202120
410122132103122
5122424024410
611203042110
71556255340
oct432362332
9164301676
1074048730
11388869a8
1220970336
1312458622
149b97990
15677a570
hex469e4da

74048730 has 64 divisors (see below), whose sum is σ = 211949568. Its totient is φ = 16188480.

The previous prime is 74048713. The next prime is 74048731. The reversal of 74048730 is 3784047.

It is a happy number.

It is a super-2 number, since 2×740487302 = 10966428829225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74048691 and 74048700.

It is not an unprimeable number, because it can be changed into a prime (74048731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2836 + ... + 12495.

It is an arithmetic number, because the mean of its divisors is an integer number (3311712).

Almost surely, 274048730 is an apocalyptic number.

74048730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74048730 is an abundant number, since it is smaller than the sum of its proper divisors (137900838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74048730 is a wasteful number, since it uses less digits than its factorization.

74048730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 74048730 is about 8605.1571746250. The cubic root of 74048730 is about 419.9257805360.

The spelling of 74048730 in words is "seventy-four million, forty-eight thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 69 70 105 115 138 161 210 230 322 345 483 690 805 966 1610 2415 4830 15331 30662 45993 76655 91986 107317 153310 214634 229965 321951 352613 459930 536585 643902 705226 1057839 1073170 1609755 1763065 2115678 2468291 3219510 3526130 4936582 5289195 7404873 10578390 12341455 14809746 24682910 37024365 74048730