70364631 has 4 divisors (see below), whose sum is σ = 93819512. Its totient is φ = 46909752.

The previous prime is 70364617. The next prime is 70364647. The reversal of 70364631 is 13646307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13646307 = 3 ⋅4548769.

It is not a de Polignac number, because 70364631 - 2¹³ = 70356439 is a prime.

It is a super-2 number, since 2×70364631² = 9902362591532322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70364611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11727436 + ... + 11727441.

It is an arithmetic number, because the mean of its divisors is an integer number (23454878).

Almost surely, 2^70364631 is an apocalyptic number.

70364631 is a deficient number, since it is larger than the sum of its proper divisors (23454881).

70364631 is a wasteful number, since it uses less digits than its factorization.

70364631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23454880.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 70364631 is about 8388.3628319238. The cubic root of 70364631 is about 412.8428855169.

The spelling of 70364631 in words is "seventy million, three hundred sixty-four thousand, six hundred thirty-one".