73679336651 has 4 divisors (see below), whose sum is σ = 75670670112. Its totient is φ = 71688003192.

The previous prime is 73679336629. The next prime is 73679336663. The reversal of 73679336651 is 15663397637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15663397637 = 677 ⋅23136481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73679336651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73679336351) 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, 995666675 + ... + 995666748.

It is an arithmetic number, because the mean of its divisors is an integer number (18917667528).

Almost surely, 2^73679336651 is an apocalyptic number.

73679336651 is a deficient number, since it is larger than the sum of its proper divisors (1991333461).

73679336651 is a wasteful number, since it uses less digits than its factorization.

73679336651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991333460.

The product of its digits is 12859560, while the sum is 56.

The spelling of 73679336651 in words is "seventy-three billion, six hundred seventy-nine million, three hundred thirty-six thousand, six hundred fifty-one".