75323972 has 24 divisors (see below), whose sum is σ = 134064000. Its totient is φ = 37024416.

The previous prime is 75323953. The next prime is 75323981. The reversal of 75323972 is 27932357.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 109943 + ... + 110625.

It is an arithmetic number, because the mean of its divisors is an integer number (5586000).

Almost surely, 2^75323972 is an apocalyptic number.

It is an amenable number.

75323972 is a deficient number, since it is larger than the sum of its proper divisors (58740028).

75323972 is a wasteful number, since it uses less digits than its factorization.

75323972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1113 counting only the distinct ones).

The product of its digits is 79380, while the sum is 38.

The square root of 75323972 is about 8678.9384143454. The cubic root of 75323972 is about 422.3226794619.

The spelling of 75323972 in words is "seventy-five million, three hundred twenty-three thousand, nine hundred seventy-two".