474628621 has 16 divisors (see below), whose sum is σ = 506497536. Its totient is φ = 443762176.

The previous prime is 474628613. The next prime is 474628673. The reversal of 474628621 is 126826474.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 474628621 - 2³ = 474628613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474628601) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 429756 + ... + 430858.

It is an arithmetic number, because the mean of its divisors is an integer number (31656096).

Almost surely, 2^474628621 is an apocalyptic number.

It is an amenable number.

474628621 is a deficient number, since it is larger than the sum of its proper divisors (31868915).

474628621 is a wasteful number, since it uses less digits than its factorization.

474628621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its digits is 129024, while the sum is 40.

The square root of 474628621 is about 21785.9730331239. The cubic root of 474628621 is about 780.0419772500.

The spelling of 474628621 in words is "four hundred seventy-four million, six hundred twenty-eight thousand, six hundred twenty-one".