472317888 has 56 divisors (see below), whose sum is σ = 1428203392. Its totient is φ = 134947584.

The previous prime is 472317887. The next prime is 472317893. The reversal of 472317888 is 888713274.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472317887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174370 + ... + 177057.

It is an arithmetic number, because the mean of its divisors is an integer number (25503632).

Almost surely, 2^472317888 is an apocalyptic number.

472317888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

472317888 is an abundant number, since it is smaller than the sum of its proper divisors (955885504).

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

472317888 is a wasteful number, since it uses less digits than its factorization.

472317888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351449 (or 351439 counting only the distinct ones).

The product of its digits is 602112, while the sum is 48.

The square root of 472317888 is about 21732.8757416040. The cubic root of 472317888 is about 778.7740372884.

The spelling of 472317888 in words is "four hundred seventy-two million, three hundred seventeen thousand, eight hundred eighty-eight".