97653720 has 64 divisors (see below), whose sum is σ = 302423040. Its totient is φ = 25200000.

The previous prime is 97653709. The next prime is 97653739. The reversal of 97653720 is 2735679.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 9406 + ... + 16845.

It is an arithmetic number, because the mean of its divisors is an integer number (4725360).

Almost surely, 2^97653720 is an apocalyptic number.

It is an amenable number.

97653720 is an abundant number, since it is smaller than the sum of its proper divisors (204769320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97653720 is a wasteful number, since it uses less digits than its factorization.

97653720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26296 (or 26292 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 97653720 is about 9881.9896781974. The cubic root of 97653720 is about 460.4999605065.

The spelling of 97653720 in words is "ninety-seven million, six hundred fifty-three thousand, seven hundred twenty".