73115810002 has 4 divisors (see below), whose sum is σ = 109673715006. Its totient is φ = 36557905000.

The previous prime is 73115809993. The next prime is 73115810023. The reversal of 73115810002 is 20001851137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20001851137 = 853 ⋅23448829.

It can be written as a sum of positive squares in only one way, i.e., 60845595561 + 12270214441 = 246669^2 + 110771^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18278952499 + ... + 18278952502.

Almost surely, 2^73115810002 is an apocalyptic number.

73115810002 is a deficient number, since it is larger than the sum of its proper divisors (36557905004).

73115810002 is a wasteful number, since it uses less digits than its factorization.

73115810002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36557905003.

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 73115810002 in words is "seventy-three billion, one hundred fifteen million, eight hundred ten thousand, two".