97745136 has 20 divisors (see below), whose sum is σ = 252508392. Its totient is φ = 32581696.

The previous prime is 97745129. The next prime is 97745171. The reversal of 97745136 is 63154779.

It is a super-2 number, since 2×97745136² = 19108223223316992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018131 + ... + 1018226.

Almost surely, 2^97745136 is an apocalyptic number.

It is an amenable number.

97745136 is an abundant number, since it is smaller than the sum of its proper divisors (154763256).

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

97745136 is a wasteful number, since it uses less digits than its factorization.

97745136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036368 (or 2036362 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 97745136 is about 9886.6139805294. The cubic root of 97745136 is about 460.6436107269.

The spelling of 97745136 in words is "ninety-seven million, seven hundred forty-five thousand, one hundred thirty-six".