70068537 has 32 divisors (see below), whose sum is σ = 129423360. Its totient is φ = 36398160.

The previous prime is 70068529. The next prime is 70068547. The reversal of 70068537 is 73586007.

It is not a de Polignac number, because 70068537 - 2³ = 70068529 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70068527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14773 + ... + 18930.

It is an arithmetic number, because the mean of its divisors is an integer number (4044480).

Almost surely, 2^70068537 is an apocalyptic number.

70068537 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

70068537 is a deficient number, since it is larger than the sum of its proper divisors (59354823).

70068537 is a wasteful number, since it uses less digits than its factorization.

70068537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33730 (or 33724 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70068537 is about 8370.6951324248. The cubic root of 70068537 is about 412.2629911213.

The spelling of 70068537 in words is "seventy million, sixty-eight thousand, five hundred thirty-seven".