97725378 has 16 divisors (see below), whose sum is σ = 197387136. Its totient is φ = 32252400.

The previous prime is 97725373. The next prime is 97725391. The reversal of 97725378 is 87352779.

It is not an unprimeable number, because it can be changed into a prime (97725373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80026 + ... + 81237.

It is an arithmetic number, because the mean of its divisors is an integer number (12336696).

Almost surely, 2^97725378 is an apocalyptic number.

97725378 is an abundant number, since it is smaller than the sum of its proper divisors (99661758).

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

97725378 is a wasteful number, since it uses less digits than its factorization.

97725378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161369.

The product of its digits is 740880, while the sum is 48.

The square root of 97725378 is about 9885.6147001590. The cubic root of 97725378 is about 460.6125707858.

The spelling of 97725378 in words is "ninety-seven million, seven hundred twenty-five thousand, three hundred seventy-eight".