72694003 has 4 divisors (see below), whose sum is σ = 72843760. Its totient is φ = 72544248.

The previous prime is 72693991. The next prime is 72694009. The reversal of 72694003 is 30049627.

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 72694003 - 2²⁵ = 39139571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72694009) 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, 74148 + ... + 75121.

It is an arithmetic number, because the mean of its divisors is an integer number (18210940).

Almost surely, 2^72694003 is an apocalyptic number.

72694003 is a deficient number, since it is larger than the sum of its proper divisors (149757).

72694003 is a wasteful number, since it uses less digits than its factorization.

72694003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149756.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 72694003 is about 8526.0778204283. The cubic root of 72694003 is about 417.3491450632.

The spelling of 72694003 in words is "seventy-two million, six hundred ninety-four thousand, three".