73994204429 has 4 divisors (see below), whose sum is σ = 77211343776. Its totient is φ = 70777065084.

The previous prime is 73994204419. The next prime is 73994204507. The reversal of 73994204429 is 92440249937.

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 73994204429 - 2²⁸ = 73725768973 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 (73994204419) 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, 1608569639 + ... + 1608569684.

It is an arithmetic number, because the mean of its divisors is an integer number (19302835944).

Almost surely, 2^73994204429 is an apocalyptic number.

It is an amenable number.

73994204429 is a deficient number, since it is larger than the sum of its proper divisors (3217139347).

73994204429 is a wasteful number, since it uses less digits than its factorization.

73994204429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217139346.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 73994204429 in words is "seventy-three billion, nine hundred ninety-four million, two hundred four thousand, four hundred twenty-nine".