70538570 has 16 divisors (see below), whose sum is σ = 129052008. Its totient is φ = 27752640.

The previous prime is 70538561. The next prime is 70538597. The reversal of 70538570 is 7583507.

It can be written as a sum of positive squares in 4 ways, for example, as 46144849 + 24393721 = 6793^2 + 4939^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70538570.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57209 + ... + 58428.

Almost surely, 2^70538570 is an apocalyptic number.

70538570 is a deficient number, since it is larger than the sum of its proper divisors (58513438).

70538570 is a wasteful number, since it uses less digits than its factorization.

70538570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115705.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 70538570 is about 8398.7243078934. The cubic root of 70538570 is about 413.1827835053.

The spelling of 70538570 in words is "seventy million, five hundred thirty-eight thousand, five hundred seventy".