679047040 has 64 divisors (see below), whose sum is σ = 1855265760. Its totient is φ = 232814592.

The previous prime is 679046999. The next prime is 679047049. The reversal of 679047040 is 40740976.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×679047040² = 922209765065523200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679047049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71307 + ... + 80266.

Almost surely, 2^679047040 is an apocalyptic number.

It is an amenable number.

679047040 is an abundant number, since it is smaller than the sum of its proper divisors (1176218720).

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

679047040 is a wasteful number, since it uses less digits than its factorization.

679047040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151599 (or 151587 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 679047040 is about 26058.5310407168. The cubic root of 679047040 is about 878.9549578006.

The spelling of 679047040 in words is "six hundred seventy-nine million, forty-seven thousand, forty".