72708603 has 8 divisors (see below), whose sum is σ = 105758016. Its totient is φ = 44065800.

The previous prime is 72708593. The next prime is 72708619. The reversal of 72708603 is 30680727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72708603 - 2⁹ = 72708091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2203291 = 72708603 / (7 + 2 + 7 + 0 + 8 + 6 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (72708653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101613 + ... + 1101678.

It is an arithmetic number, because the mean of its divisors is an integer number (13219752).

Almost surely, 2^72708603 is an apocalyptic number.

72708603 is a deficient number, since it is larger than the sum of its proper divisors (33049413).

72708603 is a wasteful number, since it uses less digits than its factorization.

72708603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203305.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 72708603 is about 8526.9339741785. The cubic root of 72708603 is about 417.3770835881.

The spelling of 72708603 in words is "seventy-two million, seven hundred eight thousand, six hundred three".