72110646337 has 4 divisors (see below), whose sum is σ = 73644915456. Its totient is φ = 70576377220.

The previous prime is 72110646271. The next prime is 72110646379. The reversal of 72110646337 is 73364601127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72110646337 - 2³⁵ = 37750907969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72110646337.

It is not an unprimeable number, because it can be changed into a prime (72110946337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767134489 + ... + 767134582.

It is an arithmetic number, because the mean of its divisors is an integer number (18411228864).

Almost surely, 2^72110646337 is an apocalyptic number.

It is an amenable number.

72110646337 is a deficient number, since it is larger than the sum of its proper divisors (1534269119).

72110646337 is a wasteful number, since it uses less digits than its factorization.

72110646337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534269118.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 72110646337 in words is "seventy-two billion, one hundred ten million, six hundred forty-six thousand, three hundred thirty-seven".