679470930 has 40 divisors (see below), whose sum is σ = 1827024012. Its totient is φ = 181192032.

The previous prime is 679470929. The next prime is 679470937. The reversal of 679470930 is 39074976.

It can be written as a sum of positive squares in 2 ways, for example, as 584817489 + 94653441 = 24183^2 + 9729^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (679470937) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 418617 + ... + 420236.

Almost surely, 2^679470930 is an apocalyptic number.

679470930 is an abundant number, since it is smaller than the sum of its proper divisors (1147553082).

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

679470930 is a wasteful number, since it uses less digits than its factorization.

679470930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838872 (or 838863 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 679470930 is about 26066.6631926681. The cubic root of 679470930 is about 879.1378134278.

The spelling of 679470930 in words is "six hundred seventy-nine million, four hundred seventy thousand, nine hundred thirty".