746800520 has 16 divisors (see below), whose sum is σ = 1680301260. Its totient is φ = 298720192.

The previous prime is 746800519. The next prime is 746800577. The reversal of 746800520 is 25008647.

It can be written as a sum of positive squares in 2 ways, for example, as 724578724 + 22221796 = 26918^2 + 4714^2 .

It is a super-2 number, since 2×746800520² = 1115422033344540800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9334967 + ... + 9335046.

Almost surely, 2^746800520 is an apocalyptic number.

It is an amenable number.

746800520 is an abundant number, since it is smaller than the sum of its proper divisors (933500740).

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

746800520 is a wasteful number, since it uses less digits than its factorization.

746800520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18670024 (or 18670020 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 746800520 is about 27327.6511980082. The cubic root of 746800520 is about 907.2664902219.

The spelling of 746800520 in words is "seven hundred forty-six million, eight hundred thousand, five hundred twenty".