679270730 has 32 divisors (see below), whose sum is σ = 1280707200. Its totient is φ = 258905152.

The previous prime is 679270693. The next prime is 679270733. The reversal of 679270730 is 37072976.

679270730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679270730² = 922817449269465800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679270733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56381 + ... + 67359.

It is an arithmetic number, because the mean of its divisors is an integer number (40022100).

Almost surely, 2^679270730 is an apocalyptic number.

679270730 is a deficient number, since it is larger than the sum of its proper divisors (601436470).

679270730 is a wasteful number, since it uses less digits than its factorization.

679270730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 679270730 is about 26062.8227557953. The cubic root of 679270730 is about 879.0514615957.

The spelling of 679270730 in words is "six hundred seventy-nine million, two hundred seventy thousand, seven hundred thirty".