70071958 has 16 divisors (see below), whose sum is σ = 115719120. Its totient is φ = 31557600.

The previous prime is 70071941. The next prime is 70072001. The reversal of 70071958 is 85917007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12213 + ... + 17008.

It is an arithmetic number, because the mean of its divisors is an integer number (7232445).

Almost surely, 2^70071958 is an apocalyptic number.

70071958 is a deficient number, since it is larger than the sum of its proper divisors (45647162).

70071958 is a wasteful number, since it uses less digits than its factorization.

70071958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29343.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 70071958 is about 8370.8994737722. The cubic root of 70071958 is about 412.2697004034.

The spelling of 70071958 in words is "seventy million, seventy-one thousand, nine hundred fifty-eight".