72302103 has 12 divisors (see below), whose sum is σ = 104617968. Its totient is φ = 48117600.

The previous prime is 72302093. The next prime is 72302159. The reversal of 72302103 is 30120327.

It is a de Polignac number, because none of the positive numbers 2^k-72302103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72302183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1275 + ... + 12092.

It is an arithmetic number, because the mean of its divisors is an integer number (8718164).

Almost surely, 2^72302103 is an apocalyptic number.

72302103 is a deficient number, since it is larger than the sum of its proper divisors (32315865).

72302103 is a wasteful number, since it uses less digits than its factorization.

72302103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974 (or 13971 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 72302103 is about 8503.0643299930. The cubic root of 72302103 is about 416.5978041575.

The spelling of 72302103 in words is "seventy-two million, three hundred two thousand, one hundred three".