472790340 has 144 divisors (see below), whose sum is σ = 1586422656. Its totient is φ = 113011200.

The previous prime is 472790317. The next prime is 472790341. The reversal of 472790340 is 43097274.

472790340 is a `hidden beast` number, since 47 + 279 + 0 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 472790295 and 472790304.

It is not an unprimeable number, because it can be changed into a prime (472790341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142905 + ... + 146175.

It is an arithmetic number, because the mean of its divisors is an integer number (11016824).

Almost surely, 2^472790340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472790340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793211328).

472790340 is an abundant number, since it is smaller than the sum of its proper divisors (1113632316).

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

472790340 is a wasteful number, since it uses less digits than its factorization.

472790340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 472790340 is about 21743.7425481447. The cubic root of 472790340 is about 779.0336158121.

The spelling of 472790340 in words is "four hundred seventy-two million, seven hundred ninety thousand, three hundred forty".