70979499 has 12 divisors (see below), whose sum is σ = 102801400. Its totient is φ = 47192544.

The previous prime is 70979483. The next prime is 70979549. The reversal of 70979499 is 99497907.

It is not a de Polignac number, because 70979499 - 2⁴ = 70979483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70979479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6994 + ... + 13815.

Almost surely, 2^70979499 is an apocalyptic number.

70979499 is a deficient number, since it is larger than the sum of its proper divisors (31821901).

70979499 is a wasteful number, since it uses less digits than its factorization.

70979499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21194 (or 21191 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 70979499 is about 8424.9331748092. The cubic root of 70979499 is about 414.0419162209.

It can be divided in two parts, 709 and 79499, that added together give a palindrome (80208).

The spelling of 70979499 in words is "seventy million, nine hundred seventy-nine thousand, four hundred ninety-nine".