73772676737 has 2 divisors, whose sum is σ = 73772676738. Its totient is φ = 73772676736.

The previous prime is 73772676701. The next prime is 73772676743. The reversal of 73772676737 is 73767627737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70488126016 + 3284550721 = 265496^2 + 57311^2 .

It is a cyclic number.

It is not a de Polignac number, because 73772676737 - 2⁶ = 73772676673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73772676737.

It is not a weakly prime, because it can be changed into another prime (73772676137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36886338368 + 36886338369.

It is an arithmetic number, because the mean of its divisors is an integer number (36886338369).

Almost surely, 2^73772676737 is an apocalyptic number.

It is an amenable number.

73772676737 is a deficient number, since it is larger than the sum of its proper divisors (1).

73772676737 is an equidigital number, since it uses as much as digits as its factorization.

73772676737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76236552, while the sum is 62.

The spelling of 73772676737 in words is "seventy-three billion, seven hundred seventy-two million, six hundred seventy-six thousand, seven hundred thirty-seven".