70037613 has 6 divisors (see below), whose sum is σ = 101165454. Its totient is φ = 46691736.

The previous prime is 70037593. The next prime is 70037651. The reversal of 70037613 is 31673007.

It can be written as a sum of positive squares in only one way, i.e., 59028489 + 11009124 = 7683^2 + 3318^2 .

It is not a de Polignac number, because 70037613 - 2⁹ = 70037101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70037683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890970 + ... + 3890987.

It is an arithmetic number, because the mean of its divisors is an integer number (16860909).

Almost surely, 2^70037613 is an apocalyptic number.

It is an amenable number.

70037613 is a deficient number, since it is larger than the sum of its proper divisors (31127841).

70037613 is a wasteful number, since it uses less digits than its factorization.

70037613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781963 (or 7781960 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 70037613 is about 8368.8477701533. The cubic root of 70037613 is about 412.2023329084.

The spelling of 70037613 in words is "seventy million, thirty-seven thousand, six hundred thirteen".