472605861 has 32 divisors (see below), whose sum is σ = 777441280. Its totient is φ = 248681664.

The previous prime is 472605841. The next prime is 472605911. The reversal of 472605861 is 168506274.

It is not a de Polignac number, because 472605861 - 2⁹ = 472605349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is the 21740-th Hogben number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472605841) by changing a digit.

It is a nontrivial repunit in base 21739.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124530 + ... + 128268.

It is an arithmetic number, because the mean of its divisors is an integer number (24295040).

Almost surely, 2^472605861 is an apocalyptic number.

It is an amenable number.

472605861 is a deficient number, since it is larger than the sum of its proper divisors (304835419).

472605861 is a wasteful number, since it uses less digits than its factorization.

472605861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 472605861 is about 21739.5000172497. The cubic root of 472605861 is about 778.9322784070.

The spelling of 472605861 in words is "four hundred seventy-two million, six hundred five thousand, eight hundred sixty-one".