72807243744326 has 32 divisors (see below), whose sum is σ = 138749288337408. Its totient is φ = 27873740956320.

The previous prime is 72807243744299. The next prime is 72807243744337. The reversal of 72807243744326 is 62344734270827.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6452249210 + ... + 6452260493.

It is an arithmetic number, because the mean of its divisors is an integer number (4335915260544).

Almost surely, 2^{72807243744326} is an apocalyptic number.

72807243744326 is a deficient number, since it is larger than the sum of its proper divisors (65942044593082).

72807243744326 is a wasteful number, since it uses less digits than its factorization.

72807243744326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12904509756.

The product of its (nonzero) digits is 75866112, while the sum is 59.

The spelling of 72807243744326 in words is "seventy-two trillion, eight hundred seven billion, two hundred forty-three million, seven hundred forty-four thousand, three hundred twenty-six".