746520 has 32 divisors (see below), whose sum is σ = 2239920. Its totient is φ = 199040.

The previous prime is 746509. The next prime is 746531. The reversal of 746520 is 25647.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (746509) and next prime (746531).

It is a super-2 number, since 2×746520² = 1114584220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2991 + ... + 3230.

2⁷⁴⁶⁵²⁰ is an apocalyptic number.

It is an amenable number.

746520 is an abundant number, since it is smaller than the sum of its proper divisors (1493400).

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

746520 is a wasteful number, since it uses less digits than its factorization.

746520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235 (or 6231 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 746520 is about 864.0138887773. The cubic root of 746520 is about 90.7152877433.

Subtracting from 746520 its sum of digits (24), we obtain a square (746496 = 864²).

The spelling of 746520 in words is "seven hundred forty-six thousand, five hundred twenty".