625748928 has 56 divisors (see below), whose sum is σ = 1892149632. Its totient is φ = 178785024.

The previous prime is 625748923. The next prime is 625748987. The reversal of 625748928 is 829847526.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625748923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231450 + ... + 234137.

Almost surely, 2^625748928 is an apocalyptic number.

It is an amenable number.

625748928 is an abundant number, since it is smaller than the sum of its proper divisors (1266400704).

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

625748928 is a wasteful number, since it uses less digits than its factorization.

625748928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465609 (or 465599 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 625748928 is about 25014.9740755412. The cubic root of 625748928 is about 855.3293433860.

The spelling of 625748928 in words is "six hundred twenty-five million, seven hundred forty-eight thousand, nine hundred twenty-eight".