70375131 has 6 divisors (see below), whose sum is σ = 101652980. Its totient is φ = 46916748.

The previous prime is 70375127. The next prime is 70375169. The reversal of 70375131 is 13157307.

It is not a de Polignac number, because 70375131 - 2² = 70375127 is a prime.

It is a super-2 number, since 2×70375131² = 9905318126534322, 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 = 70375095 and 70375104.

It is not an unprimeable number, because it can be changed into a prime (70375171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3909721 + ... + 3909738.

Almost surely, 2^70375131 is an apocalyptic number.

70375131 is a deficient number, since it is larger than the sum of its proper divisors (31277849).

70375131 is a wasteful number, since it uses less digits than its factorization.

70375131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819465 (or 7819462 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 70375131 is about 8388.9886756390. The cubic root of 70375131 is about 412.8634196718.

The spelling of 70375131 in words is "seventy million, three hundred seventy-five thousand, one hundred thirty-one".