70075320 has 64 divisors (see below), whose sum is σ = 240261120. Its totient is φ = 16017024.

The previous prime is 70075301. The next prime is 70075331. The reversal of 70075320 is 2357007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent 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, 40872 + ... + 42551.

It is an arithmetic number, because the mean of its divisors is an integer number (3754080).

Almost surely, 2^70075320 is an apocalyptic number.

70075320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70075320 is an abundant number, since it is smaller than the sum of its proper divisors (170185800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70075320 is a wasteful number, since it uses less digits than its factorization.

70075320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83444 (or 83440 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 70075320 is about 8371.1002861034. The cubic root of 70075320 is about 412.2762937617.

The spelling of 70075320 in words is "seventy million, seventy-five thousand, three hundred twenty".