70082013 has 24 divisors (see below), whose sum is σ = 99474528. Its totient is φ = 43879968.

The previous prime is 70082003. The next prime is 70082017. The reversal of 70082013 is 31028007.

It is not a de Polignac number, because 70082013 - 2¹³ = 70073821 is a prime.

It is a super-2 number, since 2×70082013² = 9822977092264338, which contains 22 as substring.

It is the 8372-nd Hogben number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70082017) by changing a digit.

It is a nontrivial repunit in base 8371.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176331 + ... + 176727.

It is an arithmetic number, because the mean of its divisors is an integer number (4144772).

Almost surely, 2^70082013 is an apocalyptic number.

It is an amenable number.

70082013 is a deficient number, since it is larger than the sum of its proper divisors (29392515).

70082013 is a wasteful number, since it uses less digits than its factorization.

70082013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 70082013 is about 8371.5000447948. The cubic root of 70082013 is about 412.2894190550.

The spelling of 70082013 in words is "seventy million, eighty-two thousand, thirteen".