679743031 has 16 divisors (see below), whose sum is σ = 787046400. Its totient is φ = 585402840.

The previous prime is 679743019. The next prime is 679743037. The reversal of 679743031 is 130347976.

It is not a de Polignac number, because 679743031 - 2¹⁵ = 679710263 is a prime.

It is a super-2 number, since 2×679743031² = 924101176386133922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679743037) 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, 11850 + ... + 38728.

It is an arithmetic number, because the mean of its divisors is an integer number (49190400).

Almost surely, 2^679743031 is an apocalyptic number.

679743031 is a deficient number, since it is larger than the sum of its proper divisors (107303369).

679743031 is a wasteful number, since it uses less digits than its factorization.

679743031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26931 (or 26909 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 679743031 is about 26071.8819995795. The cubic root of 679743031 is about 879.2551509732.

The spelling of 679743031 in words is "six hundred seventy-nine million, seven hundred forty-three thousand, thirty-one".