73940677 has 2 divisors, whose sum is σ = 73940678. Its totient is φ = 73940676.

The previous prime is 73940641. The next prime is 73940683. The reversal of 73940677 is 77604937.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72743841 + 1196836 = 8529^2 + 1094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73940677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73940617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36970338 + 36970339.

It is an arithmetic number, because the mean of its divisors is an integer number (36970339).

Almost surely, 2^73940677 is an apocalyptic number.

It is an amenable number.

73940677 is a deficient number, since it is larger than the sum of its proper divisors (1).

73940677 is an equidigital number, since it uses as much as digits as its factorization.

73940677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 73940677 is about 8598.8764963802. The cubic root of 73940677 is about 419.7214271392.

The spelling of 73940677 in words is "seventy-three million, nine hundred forty thousand, six hundred seventy-seven".