621061476 has 72 divisors (see below), whose sum is σ = 1784928096. Its totient is φ = 167005440.

The previous prime is 621061457. The next prime is 621061487. The reversal of 621061476 is 674160126.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 21070 + ... + 41061.

It is an arithmetic number, because the mean of its divisors is an integer number (24790668).

Almost surely, 2^621061476 is an apocalyptic number.

It is an amenable number.

621061476 is an abundant number, since it is smaller than the sum of its proper divisors (1163866620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

621061476 is a wasteful number, since it uses less digits than its factorization.

621061476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62169 (or 62160 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 621061476 is about 24921.1050316795. The cubic root of 621061476 is about 853.1882459358.

The spelling of 621061476 in words is "six hundred twenty-one million, sixty-one thousand, four hundred seventy-six".