70508144 has 20 divisors (see below), whose sum is σ = 156125424. Its totient is φ = 30217728.

The previous prime is 70508143. The next prime is 70508147. The reversal of 70508144 is 44180507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70508143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314657 + ... + 314880.

Almost surely, 2^70508144 is an apocalyptic number.

It is an amenable number.

70508144 is an abundant number, since it is smaller than the sum of its proper divisors (85617280).

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

70508144 is a wasteful number, since it uses less digits than its factorization.

70508144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629552 (or 629546 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 70508144 is about 8396.9127660111. The cubic root of 70508144 is about 413.1233677496.

The spelling of 70508144 in words is "seventy million, five hundred eight thousand, one hundred forty-four".