97670925 has 144 divisors (see below), whose sum is σ = 210462720. Its totient is φ = 42768000.

The previous prime is 97670921. The next prime is 97670959. The reversal of 97670925 is 52907679.

It is not a de Polignac number, because 97670925 - 2² = 97670921 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97670921) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1457742 + ... + 1457808.

Almost surely, 2^97670925 is an apocalyptic number.

97670925 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97670925 is an abundant number, since it is smaller than the sum of its proper divisors (112791795).

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

97670925 is a wasteful number, since it uses less digits than its factorization.

97670925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 97670925 is about 9882.8601629285. The cubic root of 97670925 is about 460.5270031239.

The spelling of 97670925 in words is "ninety-seven million, six hundred seventy thousand, nine hundred twenty-five".