679435470 has 72 divisors (see below), whose sum is σ = 2054958984. Its totient is φ = 155298528.

The previous prime is 679435457. The next prime is 679435501. The reversal of 679435470 is 74534976.

679435470 is a `hidden beast` number, since 67 + 9 + 43 + 547 + 0 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72624 + ... + 81443.

It is an arithmetic number, because the mean of its divisors is an integer number (28541097).

Almost surely, 2^679435470 is an apocalyptic number.

679435470 is an abundant number, since it is smaller than the sum of its proper divisors (1375523514).

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

679435470 is a wasteful number, since it uses less digits than its factorization.

679435470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154094 (or 154084 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 679435470 is about 26065.9830046749. The cubic root of 679435470 is about 879.1225197791.

The spelling of 679435470 in words is "six hundred seventy-nine million, four hundred thirty-five thousand, four hundred seventy".