670504520 has 32 divisors (see below), whose sum is σ = 1724155200. Its totient is φ = 229887168.

The previous prime is 670504511. The next prime is 670504543. The reversal of 670504520 is 25405076.

It is a super-2 number, since 2×670504520² = 899152622680860800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197050 + ... + 1197609.

It is an arithmetic number, because the mean of its divisors is an integer number (53879850).

Almost surely, 2^670504520 is an apocalyptic number.

It is an amenable number.

670504520 is an abundant number, since it is smaller than the sum of its proper divisors (1053650680).

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

670504520 is a wasteful number, since it uses less digits than its factorization.

670504520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394677 (or 2394673 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 670504520 is about 25894.1020311576. The cubic root of 670504520 is about 875.2535950667.

Adding to 670504520 its reverse (25405076), we get a palindrome (695909596).

The spelling of 670504520 in words is "six hundred seventy million, five hundred four thousand, five hundred twenty".