70004631 has 8 divisors (see below), whose sum is σ = 93545584. Its totient is φ = 46566720.

The previous prime is 70004611. The next prime is 70004633. The reversal of 70004631 is 13640007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70004631 - 2⁹ = 70004119 is a prime.

It is a super-2 number, since 2×70004631² = 9801296722892322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70004598 and 70004607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70004633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24160 + ... + 26901.

It is an arithmetic number, because the mean of its divisors is an integer number (11693198).

Almost surely, 2^70004631 is an apocalyptic number.

70004631 is a deficient number, since it is larger than the sum of its proper divisors (23540953).

70004631 is a wasteful number, since it uses less digits than its factorization.

70004631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51521.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 70004631 is about 8366.8770159481. The cubic root of 70004631 is about 412.1376181958.

Adding to 70004631 its reverse (13640007), we get a palindrome (83644638).

The spelling of 70004631 in words is "seventy million, four thousand, six hundred thirty-one".