679239484730 has 32 divisors (see below), whose sum is σ = 1275836189184. Its totient is φ = 259873309696.

The previous prime is 679239484727. The next prime is 679239484789. The reversal of 679239484730 is 37484932976.

It is a super-2 number, since 2×679239484730² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11152922 + ... + 11213658.

It is an arithmetic number, because the mean of its divisors is an integer number (39869880912).

Almost surely, 2^679239484730 is an apocalyptic number.

679239484730 is a deficient number, since it is larger than the sum of its proper divisors (596596704454).

679239484730 is a wasteful number, since it uses less digits than its factorization.

679239484730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109390.

The product of its (nonzero) digits is 54867456, while the sum is 62.

The spelling of 679239484730 in words is "six hundred seventy-nine billion, two hundred thirty-nine million, four hundred eighty-four thousand, seven hundred thirty".