72074603 has 4 divisors (see below), whose sum is σ = 72884520. Its totient is φ = 71264688.

The previous prime is 72074591. The next prime is 72074609. The reversal of 72074603 is 30647027.

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 72074603 - 2¹⁰ = 72073579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72074609) 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, 404825 + ... + 405002.

It is an arithmetic number, because the mean of its divisors is an integer number (18221130).

Almost surely, 2^72074603 is an apocalyptic number.

72074603 is a deficient number, since it is larger than the sum of its proper divisors (809917).

72074603 is an equidigital number, since it uses as much as digits as its factorization.

72074603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809916.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72074603 is about 8489.6762600231. The cubic root of 72074603 is about 416.1604006543.

The spelling of 72074603 in words is "seventy-two million, seventy-four thousand, six hundred three".