97632690 has 16 divisors (see below), whose sum is σ = 234318528. Its totient is φ = 26035376.

The previous prime is 97632653. The next prime is 97632707. The reversal of 97632690 is 9623679.

It is a super-2 number, since 2×97632690² = 19064284313272200, which contains 22 as substring.

It is a nialpdrome in base 15.

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 7 ways as a sum of consecutive naturals, for example, 1627182 + ... + 1627241.

It is an arithmetic number, because the mean of its divisors is an integer number (14644908).

Almost surely, 2^97632690 is an apocalyptic number.

97632690 is an abundant number, since it is smaller than the sum of its proper divisors (136685838).

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

97632690 is a wasteful number, since it uses less digits than its factorization.

97632690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254433.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 97632690 is about 9880.9255639338. The cubic root of 97632690 is about 460.4669014845.

The spelling of 97632690 in words is "ninety-seven million, six hundred thirty-two thousand, six hundred ninety".