817316372 has 12 divisors (see below), whose sum is σ = 1430567796. Its totient is φ = 408582720.

The previous prime is 817316371. The next prime is 817316377. The reversal of 817316372 is 273613718.

It can be written as a sum of positive squares in 2 ways, for example, as 116337796 + 700978576 = 10786^2 + 26476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (817316371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10622 + ... + 41802.

It is an arithmetic number, because the mean of its divisors is an integer number (119213983).

Almost surely, 2^817316372 is an apocalyptic number.

It is an amenable number.

817316372 is a deficient number, since it is larger than the sum of its proper divisors (613251424).

817316372 is a wasteful number, since it uses less digits than its factorization.

817316372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37738 (or 37736 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 817316372 is about 28588.7455478550. The cubic root of 817316372 is about 934.9679693909.

The spelling of 817316372 in words is "eight hundred seventeen million, three hundred sixteen thousand, three hundred seventy-two".