97625644 has 12 divisors (see below), whose sum is σ = 171009664. Its totient is φ = 48765744.

The previous prime is 97625641. The next prime is 97625651. The reversal of 97625644 is 44652679.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 97625644.

It is not an unprimeable number, because it can be changed into a prime (97625641) 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 3 ways as a sum of consecutive naturals, for example, 6879 + ... + 15574.

Almost surely, 2^97625644 is an apocalyptic number.

It is an amenable number.

97625644 is a deficient number, since it is larger than the sum of its proper divisors (73384020).

97625644 is a wasteful number, since it uses less digits than its factorization.

97625644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23544 (or 23542 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 97625644 is about 9880.5690119547. The cubic root of 97625644 is about 460.4558241570.

The spelling of 97625644 in words is "ninety-seven million, six hundred twenty-five thousand, six hundred forty-four".