472722340 has 24 divisors (see below), whose sum is σ = 993658680. Its totient is φ = 188909568.

The previous prime is 472722307. The next prime is 472722347. The reversal of 472722340 is 43227274.

It can be written as a sum of positive squares in 4 ways, for example, as 7974976 + 464747364 = 2824^2 + 21558^2 .

It is not an unprimeable number, because it can be changed into a prime (472722347) 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, 11524 + ... + 32836.

It is an arithmetic number, because the mean of its divisors is an integer number (41402445).

Almost surely, 2^472722340 is an apocalyptic number.

It is an amenable number.

472722340 is an abundant number, since it is smaller than the sum of its proper divisors (520936340).

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

472722340 is a wasteful number, since it uses less digits than its factorization.

472722340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22431 (or 22429 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 472722340 is about 21742.1788236598. The cubic root of 472722340 is about 778.9962653410.

The spelling of 472722340 in words is "four hundred seventy-two million, seven hundred twenty-two thousand, three hundred forty".