70994931 has 32 divisors (see below), whose sum is σ = 111103488. Its totient is φ = 39486720.

The previous prime is 70994927. The next prime is 70994947. The reversal of 70994931 is 13949907.

It is not a de Polignac number, because 70994931 - 2² = 70994927 is a prime.

It is a super-2 number, since 2×70994931² = 10080560455389522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70994921) 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, 252511 + ... + 252791.

It is an arithmetic number, because the mean of its divisors is an integer number (3471984).

Almost surely, 2^70994931 is an apocalyptic number.

70994931 is a deficient number, since it is larger than the sum of its proper divisors (40108557).

70994931 is a wasteful number, since it uses less digits than its factorization.

70994931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 70994931 is about 8425.8489779962. The cubic root of 70994931 is about 414.0719203391.

The spelling of 70994931 in words is "seventy million, nine hundred ninety-four thousand, nine hundred thirty-one".