472121772 has 24 divisors (see below), whose sum is σ = 1103380992. Its totient is φ = 157122000.

The previous prime is 472121753. The next prime is 472121779. The reversal of 472121772 is 277121274.

It is not an unprimeable number, because it can be changed into a prime (472121779) 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, 23604 + ... + 38747.

It is an arithmetic number, because the mean of its divisors is an integer number (45974208).

Almost surely, 2^472121772 is an apocalyptic number.

It is an amenable number.

472121772 is an abundant number, since it is smaller than the sum of its proper divisors (631259220).

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

472121772 is a wasteful number, since it uses less digits than its factorization.

472121772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62989 (or 62987 counting only the distinct ones).

The product of its digits is 10976, while the sum is 33.

The square root of 472121772 is about 21728.3633069774. The cubic root of 472121772 is about 778.6662347563. Note that the first 3 decimals are identical.

It can be divided in two parts, 47212 and 1772, that added together give a palindrome (48984).

The spelling of 472121772 in words is "four hundred seventy-two million, one hundred twenty-one thousand, seven hundred seventy-two".