70000431 has 16 divisors (see below), whose sum is σ = 99661056. Its totient is φ = 43598016.

The previous prime is 70000417. The next prime is 70000433. The reversal of 70000431 is 13400007.

It is not a de Polignac number, because 70000431 - 2⁷ = 70000303 is a prime.

It is a super-2 number, since 2×70000431² = 9800120680371522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70000431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70000433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8830 + ... + 14763.

It is an arithmetic number, because the mean of its divisors is an integer number (6228816).

Almost surely, 2^70000431 is an apocalyptic number.

70000431 is a deficient number, since it is larger than the sum of its proper divisors (29660625).

70000431 is a wasteful number, since it uses less digits than its factorization.

70000431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23662.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 70000431 is about 8366.6260224776. The cubic root of 70000431 is about 412.1293758239.

Adding to 70000431 its reverse (13400007), we get a palindrome (83400438).

The spelling of 70000431 in words is "seventy million, four hundred thirty-one", and thus it is an aban number.