97540668 has 36 divisors (see below), whose sum is σ = 249689440. Its totient is φ = 32101056.

The previous prime is 97540657. The next prime is 97540693. The reversal of 97540668 is 86604579.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 14305 + ... + 19992.

Almost surely, 2^97540668 is an apocalyptic number.

It is an amenable number.

97540668 is an abundant number, since it is smaller than the sum of its proper divisors (152148772).

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

97540668 is a wasteful number, since it uses less digits than its factorization.

97540668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34386 (or 34381 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 97540668 is about 9876.2679186016. The cubic root of 97540668 is about 460.3221876431.

The spelling of 97540668 in words is "ninety-seven million, five hundred forty thousand, six hundred sixty-eight".