472785140 has 12 divisors (see below), whose sum is σ = 992848836. Its totient is φ = 189114048.

The previous prime is 472785139. The next prime is 472785143. The reversal of 472785140 is 41587274.

It can be written as a sum of positive squares in 2 ways, for example, as 129868816 + 342916324 = 11396^2 + 18518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 472785094 and 472785103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472785143) 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 3 ways as a sum of consecutive naturals, for example, 11819609 + ... + 11819648.

It is an arithmetic number, because the mean of its divisors is an integer number (82737403).

Almost surely, 2^472785140 is an apocalyptic number.

It is an amenable number.

472785140 is an abundant number, since it is smaller than the sum of its proper divisors (520063696).

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

472785140 is a wasteful number, since it uses less digits than its factorization.

472785140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23639266 (or 23639264 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 472785140 is about 21743.6229731846. The cubic root of 472785140 is about 779.0307597261.

The spelling of 472785140 in words is "four hundred seventy-two million, seven hundred eighty-five thousand, one hundred forty".