625627420 has 48 divisors (see below), whose sum is σ = 1435004928. Its totient is φ = 227223360.

The previous prime is 625627417. The next prime is 625627427. The reversal of 625627420 is 24726526.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625627427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290869 + ... + 293011.

It is an arithmetic number, because the mean of its divisors is an integer number (29895936).

Almost surely, 2^625627420 is an apocalyptic number.

It is an amenable number.

625627420 is an abundant number, since it is smaller than the sum of its proper divisors (809377508).

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

625627420 is a wasteful number, since it uses less digits than its factorization.

625627420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 625627420 is about 25012.5452523329. The cubic root of 625627420 is about 855.2739771515.

The spelling of 625627420 in words is "six hundred twenty-five million, six hundred twenty-seven thousand, four hundred twenty".