621055675 has 12 divisors (see below), whose sum is σ = 773421480. Its totient is φ = 494707520.

The previous prime is 621055667. The next prime is 621055703. The reversal of 621055675 is 576550126.

It is not a de Polignac number, because 621055675 - 2³ = 621055667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47485 + ... + 59134.

It is an arithmetic number, because the mean of its divisors is an integer number (64451790).

Almost surely, 2^621055675 is an apocalyptic number.

621055675 is a deficient number, since it is larger than the sum of its proper divisors (152365805).

621055675 is a wasteful number, since it uses less digits than its factorization.

621055675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106862 (or 106857 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 621055675 is about 24920.9886441128. The cubic root of 621055675 is about 853.1855895372.

The spelling of 621055675 in words is "six hundred twenty-one million, fifty-five thousand, six hundred seventy-five".