520754734 has 8 divisors (see below), whose sum is σ = 781767288. Its totient is φ = 260165640.

The previous prime is 520754681. The next prime is 520754747. The reversal of 520754734 is 437457025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 520754693 and 520754702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102772 + ... + 107719.

It is an arithmetic number, because the mean of its divisors is an integer number (97720911).

Almost surely, 2^520754734 is an apocalyptic number.

520754734 is a deficient number, since it is larger than the sum of its proper divisors (261012554).

520754734 is a wasteful number, since it uses less digits than its factorization.

520754734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211730.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 520754734 is about 22820.0511392941. The cubic root of 520754734 is about 804.5340121635.

The spelling of 520754734 in words is "five hundred twenty million, seven hundred fifty-four thousand, seven hundred thirty-four".