97653731 has 8 divisors (see below), whose sum is σ = 114200064. Its totient is φ = 81756360.

The previous prime is 97653709. The next prime is 97653739. The reversal of 97653731 is 13735679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97653731 - 2⁶ = 97653667 is a prime.

It is a super-2 number, since 2×97653731² = 19072502356440722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97653739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161915 + ... + 162516.

It is an arithmetic number, because the mean of its divisors is an integer number (14275008).

Almost surely, 2^97653731 is an apocalyptic number.

97653731 is a deficient number, since it is larger than the sum of its proper divisors (16546333).

97653731 is a wasteful number, since it uses less digits than its factorization.

97653731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324481.

The product of its digits is 119070, while the sum is 41.

The square root of 97653731 is about 9881.9902347655. The cubic root of 97653731 is about 460.4999777972.

The spelling of 97653731 in words is "ninety-seven million, six hundred fifty-three thousand, seven hundred thirty-one".