73698120677 has 2 divisors, whose sum is σ = 73698120678. Its totient is φ = 73698120676.

The previous prime is 73698120667. The next prime is 73698120709. The reversal of 73698120677 is 77602189637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51935675236 + 21762445441 = 227894^2 + 147521^2 .

It is a cyclic number.

It is not a de Polignac number, because 73698120677 - 2¹² = 73698116581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73698120667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36849060338 + 36849060339.

It is an arithmetic number, because the mean of its divisors is an integer number (36849060339).

Almost surely, 2^73698120677 is an apocalyptic number.

It is an amenable number.

73698120677 is a deficient number, since it is larger than the sum of its proper divisors (1).

73698120677 is an equidigital number, since it uses as much as digits as its factorization.

73698120677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 73698120677 in words is "seventy-three billion, six hundred ninety-eight million, one hundred twenty thousand, six hundred seventy-seven".