620713400 has 48 divisors (see below), whose sum is σ = 1445238600. Its totient is φ = 247927680.

The previous prime is 620713381. The next prime is 620713409. The reversal of 620713400 is 4317026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620713409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169994 + ... + 173606.

Almost surely, 2^620713400 is an apocalyptic number.

It is an amenable number.

620713400 is an abundant number, since it is smaller than the sum of its proper divisors (824525200).

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

620713400 is a wasteful number, since it uses less digits than its factorization.

620713400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488 (or 4479 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 620713400 is about 24914.1204942097. The cubic root of 620713400 is about 853.0288254056.

The spelling of 620713400 in words is "six hundred twenty million, seven hundred thirteen thousand, four hundred".