472744890 has 64 divisors (see below), whose sum is σ = 1327017600. Its totient is φ = 119428992.

The previous prime is 472744889. The next prime is 472744903. The reversal of 472744890 is 98447274.

It is a super-2 number, since 2×472744890² = 446975462042224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40947 + ... + 51206.

It is an arithmetic number, because the mean of its divisors is an integer number (20734650).

Almost surely, 2^472744890 is an apocalyptic number.

472744890 is an abundant number, since it is smaller than the sum of its proper divisors (854272710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472744890 is a wasteful number, since it uses less digits than its factorization.

472744890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92188 (or 92182 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 472744890 is about 21742.6973947576. The cubic root of 472744890 is about 779.0086518133.

The spelling of 472744890 in words is "four hundred seventy-two million, seven hundred forty-four thousand, eight hundred ninety".