73042900373 has 4 divisors (see below), whose sum is σ = 73043627148. Its totient is φ = 73042173600.

The previous prime is 73042900369. The next prime is 73042900433. The reversal of 73042900373 is 37300924037.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 71769338404 + 1273561969 = 267898^2 + 35687^2 .

It is a cyclic number.

It is not a de Polignac number, because 73042900373 - 2² = 73042900369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73042900303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182678 + ... + 423623.

It is an arithmetic number, because the mean of its divisors is an integer number (18260906787).

Almost surely, 2^73042900373 is an apocalyptic number.

It is an amenable number.

73042900373 is a deficient number, since it is larger than the sum of its proper divisors (726775).

73042900373 is a wasteful number, since it uses less digits than its factorization.

73042900373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726774.

The product of its (nonzero) digits is 95256, while the sum is 38.

The spelling of 73042900373 in words is "seventy-three billion, forty-two million, nine hundred thousand, three hundred seventy-three".