72323635 has 12 divisors (see below), whose sum is σ = 88864992. Its totient is φ = 56506128.

The previous prime is 72323623. The next prime is 72323663. The reversal of 72323635 is 53632327.

It is not a de Polignac number, because 72323635 - 2¹³ = 72315443 is a prime.

It is a super-2 number, since 2×72323635² = 10461416359226450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72323597 and 72323606.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5334 + ... + 13156.

It is an arithmetic number, because the mean of its divisors is an integer number (7405416).

Almost surely, 2^72323635 is an apocalyptic number.

72323635 is a deficient number, since it is larger than the sum of its proper divisors (16541357).

72323635 is an equidigital number, since it uses as much as digits as its factorization.

72323635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914 (or 7871 counting only the distinct ones).

The product of its digits is 22680, while the sum is 31.

The square root of 72323635 is about 8504.3303675245. The cubic root of 72323635 is about 416.6391551613.

The spelling of 72323635 in words is "seventy-two million, three hundred twenty-three thousand, six hundred thirty-five".