625740 has 24 divisors (see below), whose sum is σ = 1752240. Its totient is φ = 166848.

The previous prime is 625699. The next prime is 625763. The reversal of 625740 is 47526.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 625740.

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, 5155 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (73010).

2⁶²⁵⁷⁴⁰ is an apocalyptic number.

625740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

625740 is an abundant number, since it is smaller than the sum of its proper divisors (1126500).

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

625740 is a wasteful number, since it uses less digits than its factorization.

625740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10441 (or 10439 counting only the distinct ones).

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

The square root of 625740 is about 791.0372936847. The cubic root of 625740 is about 85.5325275505.

The spelling of 625740 in words is "six hundred twenty-five thousand, seven hundred forty".