75556972 has 24 divisors (see below), whose sum is σ = 134843184. Its totient is φ = 37036032.

The previous prime is 75556969. The next prime is 75557003. The reversal of 75556972 is 27965557.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68328 + ... + 69424.

It is an arithmetic number, because the mean of its divisors is an integer number (5618466).

Almost surely, 2^75556972 is an apocalyptic number.

It is an amenable number.

75556972 is a deficient number, since it is larger than the sum of its proper divisors (59286212).

75556972 is a wasteful number, since it uses less digits than its factorization.

75556972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1423 counting only the distinct ones).

The product of its digits is 661500, while the sum is 46.

The square root of 75556972 is about 8692.3513504690. The cubic root of 75556972 is about 422.7576888137.

The spelling of 75556972 in words is "seventy-five million, five hundred fifty-six thousand, nine hundred seventy-two".