97138170 has 64 divisors (see below), whose sum is σ = 274285440. Its totient is φ = 24378624.

The previous prime is 97138157. The next prime is 97138193. The reversal of 97138170 is 7183179.

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, 5992 + ... + 15171.

It is an arithmetic number, because the mean of its divisors is an integer number (4285710).

Almost surely, 2^97138170 is an apocalyptic number.

97138170 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

97138170 is an abundant number, since it is smaller than the sum of its proper divisors (177147270).

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

97138170 is a wasteful number, since it uses less digits than its factorization.

97138170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196 (or 21190 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 97138170 is about 9855.8698246274. The cubic root of 97138170 is about 459.6881471681.

The spelling of 97138170 in words is "ninety-seven million, one hundred thirty-eight thousand, one hundred seventy".