72103506365 has 8 divisors (see below), whose sum is σ = 94390044768. Its totient is φ = 52438913680.

The previous prime is 72103506361. The next prime is 72103506389. The reversal of 72103506365 is 56360530127.

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

It is not a de Polignac number, because 72103506365 - 2² = 72103506361 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 (72103506361) 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, 655486367 + ... + 655486476.

It is an arithmetic number, because the mean of its divisors is an integer number (11798755596).

Almost surely, 2^72103506365 is an apocalyptic number.

It is an amenable number.

72103506365 is a deficient number, since it is larger than the sum of its proper divisors (22286538403).

72103506365 is a wasteful number, since it uses less digits than its factorization.

72103506365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310972859.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 72103506365 in words is "seventy-two billion, one hundred three million, five hundred six thousand, three hundred sixty-five".