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74034072 = 23327146893
BaseRepresentation
bin1000110100110…
…10101110011000
312011022022122200
410122122232120
5122423042242
611202450200
71556164530
oct432325630
9164268580
1074034072
1138876992
1220963960
1312451a58
149b924c0
15677604c
hex469ab98

74034072 has 48 divisors (see below), whose sum is σ = 229154640. Its totient is φ = 21152448.

The previous prime is 74034061. The next prime is 74034073. The reversal of 74034072 is 27043047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74034073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72943 + ... + 73950.

It is an arithmetic number, because the mean of its divisors is an integer number (4774055).

Almost surely, 274034072 is an apocalyptic number.

74034072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74034072 is an abundant number, since it is smaller than the sum of its proper divisors (155120568).

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

74034072 is a wasteful number, since it uses less digits than its factorization.

74034072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146912 (or 146905 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 74034072 is about 8604.3054339092. The cubic root of 74034072 is about 419.8980705029.

Subtracting from 74034072 its reverse (27043047), we obtain a square (46991025 = 68552).

The spelling of 74034072 in words is "seventy-four million, thirty-four thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 146893 293786 440679 587572 881358 1028251 1175144 1322037 1762716 2056502 2644074 3084753 3525432 4113004 5288148 6169506 8226008 9254259 10576296 12339012 18508518 24678024 37017036 74034072