72104050708 has 6 divisors (see below), whose sum is σ = 126182088746. Its totient is φ = 36052025352.

The previous prime is 72104050691. The next prime is 72104050723. The reversal of 72104050708 is 80705040127.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54425157264 + 17678893444 = 233292^2 + 132962^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9013006335 + ... + 9013006342.

Almost surely, 2^72104050708 is an apocalyptic number.

It is an amenable number.

72104050708 is a deficient number, since it is larger than the sum of its proper divisors (54078038038).

72104050708 is a wasteful number, since it uses less digits than its factorization.

72104050708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026012681 (or 18026012679 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 72104050708 in words is "seventy-two billion, one hundred four million, fifty thousand, seven hundred eight".