72204003 has 6 divisors (see below), whose sum is σ = 104294684. Its totient is φ = 48135996.

The previous prime is 72204001. The next prime is 72204019. The reversal of 72204003 is 30040227.

It is a happy number.

It is not a de Polignac number, because 72204003 - 2¹ = 72204001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72204001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4011325 + ... + 4011342.

Almost surely, 2^72204003 is an apocalyptic number.

72204003 is a deficient number, since it is larger than the sum of its proper divisors (32090681).

72204003 is a wasteful number, since it uses less digits than its factorization.

72204003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022673 (or 8022670 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 72204003 is about 8497.2938633426. The cubic root of 72204003 is about 416.4093046060.

The spelling of 72204003 in words is "seventy-two million, two hundred four thousand, three".