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74540968 = 239317621
BaseRepresentation
bin1000111000101…
…10011110101000
312012021001222121
410130112132220
5123040302333
611221401024
71563405415
oct434263650
9165231877
1074540968
1139092807
1220b69174
131259b6a8
149c8510c
15682632d
hex47167a8

74540968 has 8 divisors (see below), whose sum is σ = 139764330. Its totient is φ = 37270480.

The previous prime is 74540941. The next prime is 74540987. The reversal of 74540968 is 86904547.

It can be written as a sum of positive squares in only one way, i.e., 72897444 + 1643524 = 8538^2 + 1282^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4658803 + ... + 4658818.

Almost surely, 274540968 is an apocalyptic number.

It is an amenable number.

74540968 is a deficient number, since it is larger than the sum of its proper divisors (65223362).

74540968 is a wasteful number, since it uses less digits than its factorization.

74540968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9317627 (or 9317623 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 74540968 is about 8633.7111371646. The cubic root of 74540968 is about 420.8542101027.

The spelling of 74540968 in words is "seventy-four million, five hundred forty thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 9317621 18635242 37270484 74540968