621270970 has 16 divisors (see below), whose sum is σ = 1136621448. Its totient is φ = 244434240.

The previous prime is 621270943. The next prime is 621270983. The reversal of 621270970 is 79072126.

It can be written as a sum of positive squares in 4 ways, for example, as 107931321 + 513339649 = 10389^2 + 22657^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508629 + ... + 509848.

Almost surely, 2^621270970 is an apocalyptic number.

621270970 is a deficient number, since it is larger than the sum of its proper divisors (515350478).

621270970 is a wasteful number, since it uses less digits than its factorization.

621270970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018545.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 621270970 is about 24925.3078215696. The cubic root of 621270970 is about 853.2841665126.

The spelling of 621270970 in words is "six hundred twenty-one million, two hundred seventy thousand, nine hundred seventy".