70144375 has 20 divisors (see below), whose sum is σ = 100180432. Its totient is φ = 48096000.

The previous prime is 70144369. The next prime is 70144381. The reversal of 70144375 is 57344107.

It is an interprime number because it is at equal distance from previous prime (70144369) and next prime (70144381).

It is not a de Polignac number, because 70144375 - 2³ = 70144367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3642 + ... + 12391.

Almost surely, 2^70144375 is an apocalyptic number.

70144375 is a deficient number, since it is larger than the sum of its proper divisors (30036057).

70144375 is an equidigital number, since it uses as much as digits as its factorization.

70144375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060 (or 16045 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70144375 is about 8375.2238776047. The cubic root of 70144375 is about 412.4116737730.

The spelling of 70144375 in words is "seventy million, one hundred forty-four thousand, three hundred seventy-five".