472621091 has 16 divisors (see below), whose sum is σ = 505631040. Its totient is φ = 440899200.

The previous prime is 472621081. The next prime is 472621129. The reversal of 472621091 is 190126274.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 472621091 - 2⁶ = 472621027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472621021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160565 + ... + 163481.

It is an arithmetic number, because the mean of its divisors is an integer number (31601940).

Almost surely, 2^472621091 is an apocalyptic number.

472621091 is a deficient number, since it is larger than the sum of its proper divisors (33009949).

472621091 is a wasteful number, since it uses less digits than its factorization.

472621091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 472621091 is about 21739.8502984726. The cubic root of 472621091 is about 778.9406454997.

The spelling of 472621091 in words is "four hundred seventy-two million, six hundred twenty-one thousand, ninety-one".