679536774 has 48 divisors (see below), whose sum is σ = 1684968480. Its totient is φ = 193887360.

The previous prime is 679536769. The next prime is 679536791. The reversal of 679536774 is 477635976.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 679536774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100162 + ... + 106730.

It is an arithmetic number, because the mean of its divisors is an integer number (35103510).

Almost surely, 2^679536774 is an apocalyptic number.

679536774 is an abundant number, since it is smaller than the sum of its proper divisors (1005431706).

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

679536774 is a wasteful number, since it uses less digits than its factorization.

679536774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405 (or 7402 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 54.

The square root of 679536774 is about 26067.9261545678. The cubic root of 679536774 is about 879.1662100709.

The spelling of 679536774 in words is "six hundred seventy-nine million, five hundred thirty-six thousand, seven hundred seventy-four".