472351728 has 20 divisors (see below), whose sum is σ = 1220242088. Its totient is φ = 157450560.

The previous prime is 472351721. The next prime is 472351729. The reversal of 472351728 is 827153274.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472351721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4920283 + ... + 4920378.

Almost surely, 2^472351728 is an apocalyptic number.

472351728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

472351728 is an abundant number, since it is smaller than the sum of its proper divisors (747890360).

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

472351728 is a wasteful number, since it uses less digits than its factorization.

472351728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840672 (or 9840666 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 472351728 is about 21733.6542716590. The cubic root of 472351728 is about 778.7926356976.

The spelling of 472351728 in words is "four hundred seventy-two million, three hundred fifty-one thousand, seven hundred twenty-eight".