513798072 has 48 divisors (see below), whose sum is σ = 1364516760. Its totient is φ = 161189376.

The previous prime is 513798053. The next prime is 513798073. The reversal of 513798072 is 270897315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513798073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30103 + ... + 43974.

Almost surely, 2^513798072 is an apocalyptic number.

It is an amenable number.

513798072 is an abundant number, since it is smaller than the sum of its proper divisors (850718688).

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

513798072 is a wasteful number, since it uses less digits than its factorization.

513798072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74120 (or 74099 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 513798072 is about 22667.1143289127. The cubic root of 513798072 is about 800.9354016867.

The spelling of 513798072 in words is "five hundred thirteen million, seven hundred ninety-eight thousand, seventy-two".