472714640 has 20 divisors (see below), whose sum is σ = 1099061724. Its totient is φ = 189085824.

The previous prime is 472714633. The next prime is 472714657. The reversal of 472714640 is 46417274.

It can be written as a sum of positive squares in 2 ways, for example, as 344028304 + 128686336 = 18548^2 + 11344^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 472714640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2954387 + ... + 2954546.

Almost surely, 2^472714640 is an apocalyptic number.

472714640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472714640 is an abundant number, since it is smaller than the sum of its proper divisors (626347084).

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

472714640 is a wasteful number, since it uses less digits than its factorization.

472714640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908946 (or 5908940 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 472714640 is about 21742.0017477692. The cubic root of 472714640 is about 778.9920357237.

The spelling of 472714640 in words is "four hundred seventy-two million, seven hundred fourteen thousand, six hundred forty".