72374603 has 4 divisors (see below), whose sum is σ = 82713840. Its totient is φ = 62035368.

The previous prime is 72374569. The next prime is 72374611. The reversal of 72374603 is 30647327.

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

It is a cyclic number.

It is not a de Polignac number, because 72374603 - 2¹⁰ = 72373579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72374603.

It is not an unprimeable number, because it can be changed into a prime (72374623) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5169608 + ... + 5169621.

It is an arithmetic number, because the mean of its divisors is an integer number (20678460).

Almost surely, 2^72374603 is an apocalyptic number.

72374603 is a deficient number, since it is larger than the sum of its proper divisors (10339237).

72374603 is a wasteful number, since it uses less digits than its factorization.

72374603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10339236.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 72374603 is about 8507.3264307889. The cubic root of 72374603 is about 416.7370036636.

The spelling of 72374603 in words is "seventy-two million, three hundred seventy-four thousand, six hundred three".