73029818973 has 4 divisors (see below), whose sum is σ = 97373091968. Its totient is φ = 48686545980.

The previous prime is 73029818963. The next prime is 73029818987. The reversal of 73029818973 is 37981892037.

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 not a de Polignac number, because 73029818973 - 2⁴ = 73029818957 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 (73029818933) 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, 12171636493 + ... + 12171636498.

It is an arithmetic number, because the mean of its divisors is an integer number (24343272992).

Almost surely, 2^73029818973 is an apocalyptic number.

It is an amenable number.

73029818973 is a deficient number, since it is larger than the sum of its proper divisors (24343272995).

73029818973 is a wasteful number, since it uses less digits than its factorization.

73029818973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24343272994.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 73029818973 in words is "seventy-three billion, twenty-nine million, eight hundred eighteen thousand, nine hundred seventy-three".