472497137 has 8 divisors (see below), whose sum is σ = 542825472. Its totient is φ = 402876000.

The previous prime is 472497131. The next prime is 472497139. The reversal of 472497137 is 731794274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 472497137 - 2⁸ = 472496881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472497131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175364 + ... + 178037.

It is an arithmetic number, because the mean of its divisors is an integer number (67853184).

Almost surely, 2^472497137 is an apocalyptic number.

It is an amenable number.

472497137 is a deficient number, since it is larger than the sum of its proper divisors (70328335).

472497137 is a wasteful number, since it uses less digits than its factorization.

472497137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353599.

The product of its digits is 296352, while the sum is 44.

The square root of 472497137 is about 21736.9992639279. Note that the first 3 decimals coincide. The cubic root of 472497137 is about 778.8725421411.

The spelling of 472497137 in words is "four hundred seventy-two million, four hundred ninety-seven thousand, one hundred thirty-seven".