72946640824333 has 4 divisors (see below), whose sum is σ = 74035396657600. Its totient is φ = 71857884991068.

The previous prime is 72946640824319. The next prime is 72946640824427. The reversal of 72946640824333 is 33342804664927.

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 72946640824333 - 2⁵ = 72946640824301 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 (72946640824313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544377916533 + ... + 544377916666.

It is an arithmetic number, because the mean of its divisors is an integer number (18508849164400).

Almost surely, 2^{72946640824333} is an apocalyptic number.

It is an amenable number.

72946640824333 is a deficient number, since it is larger than the sum of its proper divisors (1088755833267).

72946640824333 is a wasteful number, since it uses less digits than its factorization.

72946640824333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088755833266.

The product of its (nonzero) digits is 125411328, while the sum is 61.

The spelling of 72946640824333 in words is "seventy-two trillion, nine hundred forty-six billion, six hundred forty million, eight hundred twenty-four thousand, three hundred thirty-three".