77314673 has 2 divisors, whose sum is σ = 77314674. Its totient is φ = 77314672.

The previous prime is 77314663. The next prime is 77314697. The reversal of 77314673 is 37641377.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38725729 + 38588944 = 6223^2 + 6212^2 .

It is an emirp because it is prime and its reverse (37641377) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77314673 - 2²⁶ = 10205809 is a prime.

It is a super-2 number, since 2×77314673² = 11955117322193858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77314613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38657336 + 38657337.

It is an arithmetic number, because the mean of its divisors is an integer number (38657337).

Almost surely, 2^77314673 is an apocalyptic number.

It is an amenable number.

77314673 is a deficient number, since it is larger than the sum of its proper divisors (1).

77314673 is an equidigital number, since it uses as much as digits as its factorization.

77314673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 38.

The square root of 77314673 is about 8792.8762643404. The cubic root of 77314673 is about 426.0108312763.

The spelling of 77314673 in words is "seventy-seven million, three hundred fourteen thousand, six hundred seventy-three".