72104212363 has 4 divisors (see below), whose sum is σ = 72105549400. Its totient is φ = 72102875328.

The previous prime is 72104212253. The next prime is 72104212423. The reversal of 72104212363 is 36321240127.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36321240127 = 75149 ⋅483323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72104212363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72104218363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584070 + ... + 696667.

It is an arithmetic number, because the mean of its divisors is an integer number (18026387350).

Almost surely, 2^72104212363 is an apocalyptic number.

72104212363 is a deficient number, since it is larger than the sum of its proper divisors (1337037).

72104212363 is a wasteful number, since it uses less digits than its factorization.

72104212363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337036.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 72104212363 in words is "seventy-two billion, one hundred four million, two hundred twelve thousand, three hundred sixty-three".