70513075 has 12 divisors (see below), whose sum is σ = 87924928. Its totient is φ = 56095200.

The previous prime is 70513073. The next prime is 70513099. The reversal of 70513075 is 57031507.

It is not a de Polignac number, because 70513075 - 2¹ = 70513073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70513073) 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, 3267 + ... + 12316.

Almost surely, 2^70513075 is an apocalyptic number.

70513075 is a deficient number, since it is larger than the sum of its proper divisors (17411853).

70513075 is a wasteful number, since it uses less digits than its factorization.

70513075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15774 (or 15769 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 70513075 is about 8397.2063806959. The cubic root of 70513075 is about 413.1329981446.

The spelling of 70513075 in words is "seventy million, five hundred thirteen thousand, seventy-five".