97668740 has 96 divisors (see below), whose sum is σ = 246395520. Its totient is φ = 32126976.

The previous prime is 97668733. The next prime is 97668751. The reversal of 97668740 is 4786679.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83399 + ... + 84561.

It is an arithmetic number, because the mean of its divisors is an integer number (2566620).

Almost surely, 2^97668740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97668740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123197760).

97668740 is an abundant number, since it is smaller than the sum of its proper divisors (148726780).

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

97668740 is a wasteful number, since it uses less digits than its factorization.

97668740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 97668740 is about 9882.7496173889. The cubic root of 97668740 is about 460.5235689426.

The spelling of 97668740 in words is "ninety-seven million, six hundred sixty-eight thousand, seven hundred forty".