72103303 has 8 divisors (see below), whose sum is σ = 76161536. Its totient is φ = 68153400.

The previous prime is 72103289. The next prime is 72103313. The reversal of 72103303 is 30330127.

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

It is a cyclic number.

It is not a de Polignac number, because 72103303 - 2⁹ = 72102791 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 (72103313) 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, 25713 + ... + 28378.

It is an arithmetic number, because the mean of its divisors is an integer number (9520192).

Almost surely, 2^72103303 is an apocalyptic number.

72103303 is a deficient number, since it is larger than the sum of its proper divisors (4058233).

72103303 is a wasteful number, since it uses less digits than its factorization.

72103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54165.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 72103303 is about 8491.3663800357. The cubic root of 72103303 is about 416.2156314754.

The spelling of 72103303 in words is "seventy-two million, one hundred three thousand, three hundred three".