97100772 has 12 divisors (see below), whose sum is σ = 226568496. Its totient is φ = 32366920.

The previous prime is 97100743. The next prime is 97100791. The reversal of 97100772 is 27700179.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4045854 + ... + 4045877.

It is an arithmetic number, because the mean of its divisors is an integer number (18880708).

Almost surely, 2^97100772 is an apocalyptic number.

It is an amenable number.

97100772 is an abundant number, since it is smaller than the sum of its proper divisors (129467724).

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

97100772 is a wasteful number, since it uses less digits than its factorization.

97100772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091738 (or 8091736 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 33.

The square root of 97100772 is about 9853.9723969575. The cubic root of 97100772 is about 459.6291465918.

The spelling of 97100772 in words is "ninety-seven million, one hundred thousand, seven hundred seventy-two".