70398875 has 16 divisors (see below), whose sum is σ = 88982400. Its totient is φ = 55598400.

The previous prime is 70398851. The next prime is 70398877. The reversal of 70398875 is 57889307.

It is not a de Polignac number, because 70398875 - 2¹⁴ = 70382491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70398877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6311 + ... + 13439.

It is an arithmetic number, because the mean of its divisors is an integer number (5561400).

Almost surely, 2^70398875 is an apocalyptic number.

70398875 is a deficient number, since it is larger than the sum of its proper divisors (18583525).

70398875 is an equidigital number, since it uses as much as digits as its factorization.

70398875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223 (or 7213 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 70398875 is about 8390.4037447551. The cubic root of 70398875 is about 412.9098467104.

The spelling of 70398875 in words is "seventy million, three hundred ninety-eight thousand, eight hundred seventy-five".