70579613 has 12 divisors (see below), whose sum is σ = 76832028. Its totient is φ = 64451520.

The previous prime is 70579603. The next prime is 70579643. The reversal of 70579613 is 31697507.

It can be written as a sum of positive squares in 2 ways, for example, as 27899524 + 42680089 = 5282^2 + 6533^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70579613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70579603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251033 + ... + 251313.

It is an arithmetic number, because the mean of its divisors is an integer number (6402669).

Almost surely, 2^70579613 is an apocalyptic number.

It is an amenable number.

70579613 is a deficient number, since it is larger than the sum of its proper divisors (6252415).

70579613 is a wasteful number, since it uses less digits than its factorization.

70579613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 70579613 is about 8401.1673593614. The cubic root of 70579613 is about 413.2629050283.

The spelling of 70579613 in words is "seventy million, five hundred seventy-nine thousand, six hundred thirteen".