625721372 has 12 divisors (see below), whose sum is σ = 1097544336. Its totient is φ = 312137280.

The previous prime is 625721351. The next prime is 625721389. The reversal of 625721372 is 273127526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178904 + ... + 182367.

It is an arithmetic number, because the mean of its divisors is an integer number (91462028).

Almost surely, 2^625721372 is an apocalyptic number.

It is an amenable number.

625721372 is a deficient number, since it is larger than the sum of its proper divisors (471822964).

625721372 is a wasteful number, since it uses less digits than its factorization.

625721372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361708 (or 361706 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 625721372 is about 25014.4232793802. The cubic root of 625721372 is about 855.3167878704.

Adding to 625721372 its reverse (273127526), we get a palindrome (898848898).

The spelling of 625721372 in words is "six hundred twenty-five million, seven hundred twenty-one thousand, three hundred seventy-two".