621312476 has 12 divisors (see below), whose sum is σ = 1090379472. Its totient is φ = 309775488.

The previous prime is 621312467. The next prime is 621312493. The reversal of 621312476 is 674213126.

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, 218600 + ... + 221423.

It is an arithmetic number, because the mean of its divisors is an integer number (90864956).

Almost surely, 2^621312476 is an apocalyptic number.

It is an amenable number.

621312476 is a deficient number, since it is larger than the sum of its proper divisors (469066996).

621312476 is a wasteful number, since it uses less digits than its factorization.

621312476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440380 (or 440378 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 621312476 is about 24926.1404152348. The cubic root of 621312476 is about 853.3031682181.

The spelling of 621312476 in words is "six hundred twenty-one million, three hundred twelve thousand, four hundred seventy-six".