97644874 has 8 divisors (see below), whose sum is σ = 146528388. Its totient is φ = 48802080.

The previous prime is 97644863. The next prime is 97644901. The reversal of 97644874 is 47844679.

It can be written as a sum of positive squares in 2 ways, for example, as 88078225 + 9566649 = 9385^2 + 3093^2 .

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

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, 3237 + ... + 14344.

Almost surely, 2^97644874 is an apocalyptic number.

97644874 is a deficient number, since it is larger than the sum of its proper divisors (48883514).

97644874 is a wasteful number, since it uses less digits than its factorization.

97644874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20360.

The product of its digits is 1354752, while the sum is 49.

The square root of 97644874 is about 9881.5420861321. The cubic root of 97644874 is about 460.4860552309.

The spelling of 97644874 in words is "ninety-seven million, six hundred forty-four thousand, eight hundred seventy-four".