679134612 has 72 divisors (see below), whose sum is σ = 1721868960. Its totient is φ = 208241280.

The previous prime is 679134607. The next prime is 679134623. The reversal of 679134612 is 216431976.

It is a super-2 number, since 2×679134612² = 922447642432781088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1096839 + ... + 1097457.

Almost surely, 2^679134612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679134612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860934480).

679134612 is an abundant number, since it is smaller than the sum of its proper divisors (1042734348).

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

679134612 is a wasteful number, since it uses less digits than its factorization.

679134612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1178 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 679134612 is about 26060.2112808012. The cubic root of 679134612 is about 878.9927404237.

The spelling of 679134612 in words is "six hundred seventy-nine million, one hundred thirty-four thousand, six hundred twelve".