621682475 has 12 divisors (see below), whose sum is σ = 771629184. Its totient is φ = 496866720.

The previous prime is 621682471. The next prime is 621682493. The reversal of 621682475 is 574286126.

621682475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 621682475 - 2² = 621682471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621682471) 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, 15737 + ... + 38613.

It is an arithmetic number, because the mean of its divisors is an integer number (64302432).

Almost surely, 2^621682475 is an apocalyptic number.

621682475 is a deficient number, since it is larger than the sum of its proper divisors (149946709).

621682475 is a wasteful number, since it uses less digits than its factorization.

621682475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23974 (or 23969 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 621682475 is about 24933.5612177643. The cubic root of 621682475 is about 853.4725186818.

The spelling of 621682475 in words is "six hundred twenty-one million, six hundred eighty-two thousand, four hundred seventy-five".