621072802 has 16 divisors (see below), whose sum is σ = 1067863680. Its totient is φ = 265382208.

The previous prime is 621072791. The next prime is 621072811. The reversal of 621072802 is 208270126.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61102 + ... + 70537.

It is an arithmetic number, because the mean of its divisors is an integer number (66741480).

Almost surely, 2^621072802 is an apocalyptic number.

621072802 is a deficient number, since it is larger than the sum of its proper divisors (446790878).

621072802 is a wasteful number, since it uses less digits than its factorization.

621072802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131985.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 621072802 is about 24921.3322677581. The cubic root of 621072802 is about 853.1934322991.

The spelling of 621072802 in words is "six hundred twenty-one million, seventy-two thousand, eight hundred two".