70479688 has 16 divisors (see below), whose sum is σ = 139923180. Its totient is φ = 33166848.

The previous prime is 70479679. The next prime is 70479701. The reversal of 70479688 is 88697407.

It can be written as a sum of positive squares in 2 ways, for example, as 68525284 + 1954404 = 8278^2 + 1398^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258981 + ... + 259252.

Almost surely, 2^70479688 is an apocalyptic number.

It is an amenable number.

70479688 is a deficient number, since it is larger than the sum of its proper divisors (69443492).

70479688 is a wasteful number, since it uses less digits than its factorization.

70479688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518256 (or 518252 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 70479688 is about 8395.2181627400. The cubic root of 70479688 is about 413.0677835304.

The spelling of 70479688 in words is "seventy million, four hundred seventy-nine thousand, six hundred eighty-eight".