73000157293 has 4 divisors (see below), whose sum is σ = 83428751200. Its totient is φ = 62571563388.

The previous prime is 73000157257. The next prime is 73000157299. The reversal of 73000157293 is 39275100037.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39275100037 = 73 ⋅538015069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73000157293 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 (73000157299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5214296943 + ... + 5214296956.

It is an arithmetic number, because the mean of its divisors is an integer number (20857187800).

Almost surely, 2^73000157293 is an apocalyptic number.

It is an amenable number.

73000157293 is a deficient number, since it is larger than the sum of its proper divisors (10428593907).

73000157293 is a wasteful number, since it uses less digits than its factorization.

73000157293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428593906.

The product of its (nonzero) digits is 39690, while the sum is 37.

The spelling of 73000157293 in words is "seventy-three billion, one hundred fifty-seven thousand, two hundred ninety-three".