507070128 has 40 divisors (see below), whose sum is σ = 1311933888. Its totient is φ = 168764992.

The previous prime is 507070117. The next prime is 507070129. The reversal of 507070128 is 821070705.

It is a happy number.

It is a super-2 number, since 2×507070128² = 514240229419872768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 507070095 and 507070104.

It is not an unprimeable number, because it can be changed into a prime (507070129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25051 + ... + 40517.

Almost surely, 2^507070128 is an apocalyptic number.

It is an amenable number.

507070128 is an abundant number, since it is smaller than the sum of its proper divisors (804863760).

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

507070128 is a wasteful number, since it uses less digits than its factorization.

507070128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16161 (or 16155 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 507070128 is about 22518.2176914604. The cubic root of 507070128 is about 797.4240729856.

The spelling of 507070128 in words is "five hundred seven million, seventy thousand, one hundred twenty-eight".