70375865 has 16 divisors (see below), whose sum is σ = 96660480. Its totient is φ = 48185280.

The previous prime is 70375853. The next prime is 70375871. The reversal of 70375865 is 56857307.

It is not a de Polignac number, because 70375865 - 2¹⁸ = 70113721 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33671 + ... + 35699.

It is an arithmetic number, because the mean of its divisors is an integer number (6041280).

Almost surely, 2^70375865 is an apocalyptic number.

It is an amenable number.

70375865 is a deficient number, since it is larger than the sum of its proper divisors (26284615).

70375865 is a wasteful number, since it uses less digits than its factorization.

70375865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 70375865 is about 8389.0324233490. The cubic root of 70375865 is about 412.8648550307.

The spelling of 70375865 in words is "seventy million, three hundred seventy-five thousand, eight hundred sixty-five".