97679725 has 48 divisors (see below), whose sum is σ = 144365760. Its totient is φ = 64627200.

The previous prime is 97679723. The next prime is 97679731. The reversal of 97679725 is 52797679.

It is not a de Polignac number, because 97679725 - 2¹ = 97679723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97679723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318022 + ... + 318328.

It is an arithmetic number, because the mean of its divisors is an integer number (3007620).

Almost surely, 2^97679725 is an apocalyptic number.

It is an amenable number.

97679725 is a deficient number, since it is larger than the sum of its proper divisors (46686035).

97679725 is a wasteful number, since it uses less digits than its factorization.

97679725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 425 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 52.

The square root of 97679725 is about 9883.3053681448. The cubic root of 97679725 is about 460.5408336333.

The spelling of 97679725 in words is "ninety-seven million, six hundred seventy-nine thousand, seven hundred twenty-five".