73872003 has 4 divisors (see below), whose sum is σ = 98496008. Its totient is φ = 49248000.

The previous prime is 73871933. The next prime is 73872011. The reversal of 73872003 is 30027837.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73872003 - 2⁸ = 73871747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73872013) 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, 12311998 + ... + 12312003.

It is an arithmetic number, because the mean of its divisors is an integer number (24624002).

Almost surely, 2^73872003 is an apocalyptic number.

73872003 is a deficient number, since it is larger than the sum of its proper divisors (24624005).

73872003 is a wasteful number, since it uses less digits than its factorization.

73872003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24624004.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 73872003 is about 8594.8823726681. The cubic root of 73872003 is about 419.5914451108.

The spelling of 73872003 in words is "seventy-three million, eight hundred seventy-two thousand, three".