472812766 has 4 divisors (see below), whose sum is σ = 709219152. Its totient is φ = 236406382.

The previous prime is 472812763. The next prime is 472812793. The reversal of 472812766 is 667218274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 667218274 = 2 ⋅333609137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472812763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118203190 + ... + 118203193.

It is an arithmetic number, because the mean of its divisors is an integer number (177304788).

Almost surely, 2^472812766 is an apocalyptic number.

472812766 is a deficient number, since it is larger than the sum of its proper divisors (236406386).

472812766 is a wasteful number, since it uses less digits than its factorization.

472812766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236406385.

The product of its digits is 225792, while the sum is 43.

The square root of 472812766 is about 21744.2582306226. The cubic root of 472812766 is about 779.0459329924.

The spelling of 472812766 in words is "four hundred seventy-two million, eight hundred twelve thousand, seven hundred sixty-six".