73740626579 has 2 divisors, whose sum is σ = 73740626580. Its totient is φ = 73740626578.

The previous prime is 73740626503. The next prime is 73740626689. The reversal of 73740626579 is 97562604737.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73740626579 is a prime.

It is not a weakly prime, because it can be changed into another prime (73740625579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36870313289 + 36870313290.

It is an arithmetic number, because the mean of its divisors is an integer number (36870313290).

Almost surely, 2^73740626579 is an apocalyptic number.

73740626579 is a deficient number, since it is larger than the sum of its proper divisors (1).

73740626579 is an equidigital number, since it uses as much as digits as its factorization.

73740626579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13335840, while the sum is 56.

The spelling of 73740626579 in words is "seventy-three billion, seven hundred forty million, six hundred twenty-six thousand, five hundred seventy-nine".