73334404440721 has 16 divisors (see below), whose sum is σ = 77664902889600. Its totient is φ = 69005764558080.

The previous prime is 73334404440641. The next prime is 73334404440751. The reversal of 73334404440721 is 12704440443337.

It is a cyclic number.

It is not a de Polignac number, because 73334404440721 - 2³³ = 73325814506129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73334404440751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921389580 + ... + 1921427746.

It is an arithmetic number, because the mean of its divisors is an integer number (4854056430600).

Almost surely, 2^{73334404440721} is an apocalyptic number.

It is an amenable number.

73334404440721 is a deficient number, since it is larger than the sum of its proper divisors (4330498448879).

73334404440721 is a wasteful number, since it uses less digits than its factorization.

73334404440721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59544.

The product of its (nonzero) digits is 2709504, while the sum is 46.

The spelling of 73334404440721 in words is "seventy-three trillion, three hundred thirty-four billion, four hundred four million, four hundred forty thousand, seven hundred twenty-one".