70012631 has 8 divisors (see below), whose sum is σ = 75645024. Its totient is φ = 64415520.

The previous prime is 70012627. The next prime is 70012639. The reversal of 70012631 is 13621007.

It is a happy number.

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

It is not a de Polignac number, because 70012631 - 2² = 70012627 is a prime.

It is a super-2 number, since 2×70012631² = 9803536999084322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70012639) 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, 4616 + ... + 12701.

It is an arithmetic number, because the mean of its divisors is an integer number (9455628).

Almost surely, 2^70012631 is an apocalyptic number.

70012631 is a deficient number, since it is larger than the sum of its proper divisors (5632393).

70012631 is a wasteful number, since it uses less digits than its factorization.

70012631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17641.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 70012631 is about 8367.3550779204. The cubic root of 70012631 is about 412.1533170399.

Adding to 70012631 its reverse (13621007), we get a palindrome (83633638).

It can be divided in two parts, 700 and 12631, that added together give a palindrome (13331).

The spelling of 70012631 in words is "seventy million, twelve thousand, six hundred thirty-one".