72003336 has 32 divisors (see below), whose sum is σ = 180325440. Its totient is φ = 23958848.

The previous prime is 72003319. The next prime is 72003341. The reversal of 72003336 is 63330027.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13210 + ... + 17846.

It is an arithmetic number, because the mean of its divisors is an integer number (5635170).

Almost surely, 2^72003336 is an apocalyptic number.

It is an amenable number.

72003336 is an abundant number, since it is smaller than the sum of its proper divisors (108322104).

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

72003336 is a wasteful number, since it uses less digits than its factorization.

72003336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 72003336 is about 8485.4779476468. The cubic root of 72003336 is about 416.0231896590.

The spelling of 72003336 in words is "seventy-two million, three thousand, three hundred thirty-six".