625742 has 16 divisors (see below), whose sum is σ = 1037232. Its totient is φ = 281280.

The previous prime is 625699. The next prime is 625763. The reversal of 625742 is 247526.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625742.

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, 773 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (64827).

2⁶²⁵⁷⁴² is an apocalyptic number.

625742 is a deficient number, since it is larger than the sum of its proper divisors (411490).

625742 is a wasteful number, since it uses less digits than its factorization.

625742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its digits is 3360, while the sum is 26.

The square root of 625742 is about 791.0385578466. The cubic root of 625742 is about 85.5326186772.

The spelling of 625742 in words is "six hundred twenty-five thousand, seven hundred forty-two".