625722 has 8 divisors (see below), whose sum is σ = 1251456. Its totient is φ = 208572.

The previous prime is 625699. The next prime is 625763. The reversal of 625722 is 227526.

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

625722 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 625692 and 625701.

It is an unprimeable number.

625722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52138 + ... + 52149.

It is an arithmetic number, because the mean of its divisors is an integer number (156432).

2⁶²⁵⁷²² is an apocalyptic number.

625722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

625722 is a wasteful number, since it uses less digits than its factorization.

625722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104292.

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

The square root of 625722 is about 791.0259161368. The cubic root of 625722 is about 85.5317074014.

The spelling of 625722 in words is "six hundred twenty-five thousand, seven hundred twenty-two".