471722780 has 24 divisors (see below), whose sum is σ = 991033008. Its totient is φ = 188610048.

The previous prime is 471722777. The next prime is 471722789. The reversal of 471722780 is 87227174.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471722789) 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, 77612 + ... + 83468.

It is an arithmetic number, because the mean of its divisors is an integer number (41293042).

Almost surely, 2^471722780 is an apocalyptic number.

It is an amenable number.

471722780 is an abundant number, since it is smaller than the sum of its proper divisors (519310228).

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

471722780 is a wasteful number, since it uses less digits than its factorization.

471722780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9893 (or 9891 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 471722780 is about 21719.1800029375. The cubic root of 471722780 is about 778.4468216180.

The spelling of 471722780 in words is "four hundred seventy-one million, seven hundred twenty-two thousand, seven hundred eighty".