97572031 has 8 divisors (see below), whose sum is σ = 101108480. Its totient is φ = 94093272.

The previous prime is 97571977. The next prime is 97572053. The reversal of 97572031 is 13027579.

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

It is a cyclic number.

It is not a de Polignac number, because 97572031 - 2¹³ = 97563839 is a prime.

It is a super-2 number, since 2×97572031² = 19040602466929922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97578031) 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, 10965 + ... + 17758.

It is an arithmetic number, because the mean of its divisors is an integer number (12638560).

Almost surely, 2^97572031 is an apocalyptic number.

97572031 is a deficient number, since it is larger than the sum of its proper divisors (3536449).

97572031 is a wasteful number, since it uses less digits than its factorization.

97572031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28845.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 97572031 is about 9877.8555871201. The cubic root of 97572031 is about 460.3715193321.

The spelling of 97572031 in words is "ninety-seven million, five hundred seventy-two thousand, thirty-one".