75290972 has 6 divisors (see below), whose sum is σ = 131759208. Its totient is φ = 37645484.

The previous prime is 75290947. The next prime is 75291023. The reversal of 75290972 is 27909257.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9411368 + ... + 9411375.

It is an arithmetic number, because the mean of its divisors is an integer number (21959868).

Almost surely, 2^75290972 is an apocalyptic number.

It is an amenable number.

75290972 is a deficient number, since it is larger than the sum of its proper divisors (56468236).

75290972 is a wasteful number, since it uses less digits than its factorization.

75290972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822747 (or 18822745 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 75290972 is about 8677.0370518974. The cubic root of 75290972 is about 422.2609962032.

The spelling of 75290972 in words is "seventy-five million, two hundred ninety thousand, nine hundred seventy-two".