472913021 has 32 divisors (see below), whose sum is σ = 618773760. Its totient is φ = 351599616.

The previous prime is 472913009. The next prime is 472913027. The reversal of 472913021 is 120319274.

It is a cyclic number.

It is not a de Polignac number, because 472913021 - 2¹⁸ = 472650877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472913027) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 80831 + ... + 86483.

It is an arithmetic number, because the mean of its divisors is an integer number (19336680).

Almost surely, 2^472913021 is an apocalyptic number.

It is an amenable number.

472913021 is a deficient number, since it is larger than the sum of its proper divisors (145860739).

472913021 is a wasteful number, since it uses less digits than its factorization.

472913021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 472913021 is about 21746.5634296548. The cubic root of 472913021 is about 779.1009919474.

The spelling of 472913021 in words is "four hundred seventy-two million, nine hundred thirteen thousand, twenty-one".