513170072 has 8 divisors (see below), whose sum is σ = 962193900. Its totient is φ = 256585032.

The previous prime is 513170059. The next prime is 513170083. The reversal of 513170072 is 270071315.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32073122 + ... + 32073137.

Almost surely, 2^513170072 is an apocalyptic number.

It is an amenable number.

513170072 is a deficient number, since it is larger than the sum of its proper divisors (449023828).

513170072 is a wasteful number, since it uses less digits than its factorization.

513170072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64146265 (or 64146261 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 513170072 is about 22653.2574258096. The cubic root of 513170072 is about 800.6089488590.

The spelling of 513170072 in words is "five hundred thirteen million, one hundred seventy thousand, seventy-two".