621376054 has 8 divisors (see below), whose sum is σ = 1003761360. Its totient is φ = 286788936.

The previous prime is 621376043. The next prime is 621376087. The reversal of 621376054 is 450673126.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×621376054² = 772216400969221832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11949514 + ... + 11949565.

It is an arithmetic number, because the mean of its divisors is an integer number (125470170).

Almost surely, 2^621376054 is an apocalyptic number.

621376054 is a deficient number, since it is larger than the sum of its proper divisors (382385306).

621376054 is a wasteful number, since it uses less digits than its factorization.

621376054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23899094.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 621376054 is about 24927.4157104181. The cubic root of 621376054 is about 853.3322729818.

The spelling of 621376054 in words is "six hundred twenty-one million, three hundred seventy-six thousand, fifty-four".