70679808 has 54 divisors (see below), whose sum is σ = 203793954. Its totient is φ = 23559168.

The previous prime is 70679779. The next prime is 70679809. The reversal of 70679808 is 80897607.

It can be written as a sum of positive squares in only one way, i.e., 65804544 + 4875264 = 8112^2 + 2208^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70679809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13035 + ... + 17642.

Almost surely, 2^70679808 is an apocalyptic number.

It is an amenable number.

70679808 is an abundant number, since it is smaller than the sum of its proper divisors (133114146).

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

70679808 is a wasteful number, since it uses less digits than its factorization.

70679808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30699 (or 30682 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 70679808 is about 8407.1284039201. The cubic root of 70679808 is about 413.4583689245.

The spelling of 70679808 in words is "seventy million, six hundred seventy-nine thousand, eight hundred eight".