97730180 has 24 divisors (see below), whose sum is σ = 205719360. Its totient is φ = 38999520.

The previous prime is 97730173. The next prime is 97730201. The reversal of 97730180 is 8103779.

It is a self number, because there is not a number n which added to its sum of digits gives 97730180.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215 + ... + 14345.

It is an arithmetic number, because the mean of its divisors is an integer number (8571640).

Almost surely, 2^97730180 is an apocalyptic number.

It is an amenable number.

97730180 is an abundant number, since it is smaller than the sum of its proper divisors (107989180).

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

97730180 is a wasteful number, since it uses less digits than its factorization.

97730180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11579 (or 11577 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 97730180 is about 9885.8575753447. The cubic root of 97730180 is about 460.6201151425.

The spelling of 97730180 in words is "ninety-seven million, seven hundred thirty thousand, one hundred eighty".