70312851 has 12 divisors (see below), whose sum is σ = 116072112. Its totient is φ = 40178736.

The previous prime is 70312843. The next prime is 70312871. The reversal of 70312851 is 15821307.

It is not a de Polignac number, because 70312851 - 2³ = 70312843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70312831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557976 + ... + 558101.

It is an arithmetic number, because the mean of its divisors is an integer number (9672676).

Almost surely, 2^70312851 is an apocalyptic number.

70312851 is a deficient number, since it is larger than the sum of its proper divisors (45759261).

70312851 is a wasteful number, since it uses less digits than its factorization.

70312851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116090 (or 1116087 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 70312851 is about 8385.2758451944. The cubic root of 70312851 is about 412.7415929116.

The spelling of 70312851 in words is "seventy million, three hundred twelve thousand, eight hundred fifty-one".