517400772 has 24 divisors (see below), whose sum is σ = 1379735616. Its totient is φ = 147828768.

The previous prime is 517400759. The next prime is 517400773. The reversal of 517400772 is 277004715.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (517400773) 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, 3079683 + ... + 3079850.

It is an arithmetic number, because the mean of its divisors is an integer number (57488984).

Almost surely, 2^517400772 is an apocalyptic number.

It is an amenable number.

517400772 is an abundant number, since it is smaller than the sum of its proper divisors (862334844).

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

517400772 is a wasteful number, since it uses less digits than its factorization.

517400772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159547 (or 6159545 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 517400772 is about 22746.4452607435. The cubic root of 517400772 is about 802.8030691168.

The spelling of 517400772 in words is "five hundred seventeen million, four hundred thousand, seven hundred seventy-two".