79737489 has 24 divisors (see below), whose sum is σ = 124953920. Its totient is φ = 48706272.

The previous prime is 79737451. The next prime is 79737491. The reversal of 79737489 is 98473797.

It is not a de Polignac number, because 79737489 - 2¹² = 79733393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79737419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13812 + ... + 18714.

Almost surely, 2^79737489 is an apocalyptic number.

It is an amenable number.

79737489 is a deficient number, since it is larger than the sum of its proper divisors (45216431).

79737489 is a wasteful number, since it uses less digits than its factorization.

79737489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061 (or 5058 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 79737489 is about 8929.5850407508. The cubic root of 79737489 is about 430.4151192186.

The spelling of 79737489 in words is "seventy-nine million, seven hundred thirty-seven thousand, four hundred eighty-nine".