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74706486 = 2316376387
BaseRepresentation
bin1000111001111…
…10111000110110
312012120111000220
410130332320312
5123111101421
611225115210
71564665111
oct434767066
9165514026
1074706486
11391960a8
1221028b06
1312628b2a
149cc9578
15685a3c6
hex473ee36

74706486 has 16 divisors (see below), whose sum is σ = 150331584. Its totient is φ = 24749064.

The previous prime is 74706481. The next prime is 74706493. The reversal of 74706486 is 68460747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74706481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37216 + ... + 39171.

It is an arithmetic number, because the mean of its divisors is an integer number (9395724).

Almost surely, 274706486 is an apocalyptic number.

74706486 is an abundant number, since it is smaller than the sum of its proper divisors (75625098).

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

74706486 is a wasteful number, since it uses less digits than its factorization.

74706486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76555.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 74706486 is about 8643.2913869660. The cubic root of 74706486 is about 421.1654816685.

The spelling of 74706486 in words is "seventy-four million, seven hundred six thousand, four hundred eighty-six".

Divisors: 1 2 3 6 163 326 489 978 76387 152774 229161 458322 12451081 24902162 37353243 74706486