72708103 has 8 divisors (see below), whose sum is σ = 79779168. Its totient is φ = 65848224.

The previous prime is 72708091. The next prime is 72708109. The reversal of 72708103 is 30180727.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-72708103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72708109) 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 7 ways as a sum of consecutive naturals, for example, 52075 + ... + 53452.

It is an arithmetic number, because the mean of its divisors is an integer number (9972396).

Almost surely, 2^72708103 is an apocalyptic number.

72708103 is a deficient number, since it is larger than the sum of its proper divisors (7071065).

72708103 is a wasteful number, since it uses less digits than its factorization.

72708103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105593.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 72708103 is about 8526.9046552662. The cubic root of 72708103 is about 417.3761268511.

The spelling of 72708103 in words is "seventy-two million, seven hundred eight thousand, one hundred three".