72364337 has 4 divisors (see below), whose sum is σ = 73028340. Its totient is φ = 71700336.

The previous prime is 72364319. The next prime is 72364351. The reversal of 72364337 is 73346327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73346327 = 19 ⋅3860333.

It can be written as a sum of positive squares in 2 ways, for example, as 32535616 + 39828721 = 5704^2 + 6311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72364337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72364297 and 72364306.

It is not an unprimeable number, because it can be changed into a prime (72364307) 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, 331838 + ... + 332055.

It is an arithmetic number, because the mean of its divisors is an integer number (18257085).

Almost surely, 2^72364337 is an apocalyptic number.

It is an amenable number.

72364337 is a deficient number, since it is larger than the sum of its proper divisors (664003).

72364337 is a wasteful number, since it uses less digits than its factorization.

72364337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664002.

The product of its digits is 63504, while the sum is 35.

The square root of 72364337 is about 8506.7230470963. The cubic root of 72364337 is about 416.7172986649.

The spelling of 72364337 in words is "seventy-two million, three hundred sixty-four thousand, three hundred thirty-seven".