520753734 has 12 divisors (see below), whose sum is σ = 1128299796. Its totient is φ = 173584572.

The previous prime is 520753661. The next prime is 520753769. The reversal of 520753734 is 437357025.

520753734 is a `hidden beast` number, since 520 + 75 + 37 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14465364 + ... + 14465399.

It is an arithmetic number, because the mean of its divisors is an integer number (94024983).

Almost surely, 2^520753734 is an apocalyptic number.

520753734 is an abundant number, since it is smaller than the sum of its proper divisors (607546062).

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

520753734 is a wasteful number, since it uses less digits than its factorization.

520753734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28930771 (or 28930768 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 520753734 is about 22820.0292287280. The cubic root of 520753734 is about 804.5334971837.

The spelling of 520753734 in words is "five hundred twenty million, seven hundred fifty-three thousand, seven hundred thirty-four".