72317034 has 24 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 24079848.

The previous prime is 72317033. The next prime is 72317041. The reversal of 72317034 is 43071327.

It is a junction number, because it is equal to n+sod(n) for n = 72316989 and 72317007.

It is not an unprimeable number, because it can be changed into a prime (72317033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23137 + ... + 26075.

It is an arithmetic number, because the mean of its divisors is an integer number (6535620).

Almost surely, 2^72317034 is an apocalyptic number.

72317034 is an abundant number, since it is smaller than the sum of its proper divisors (84537846).

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

72317034 is a wasteful number, since it uses less digits than its factorization.

72317034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314 (or 4311 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 72317034 is about 8503.9422622687. The cubic root of 72317034 is about 416.6264791818.

The spelling of 72317034 in words is "seventy-two million, three hundred seventeen thousand, thirty-four".