77382673 has 2 divisors, whose sum is σ = 77382674. Its totient is φ = 77382672.

The previous prime is 77382659. The next prime is 77382713. The reversal of 77382673 is 37628377.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73410624 + 3972049 = 8568^2 + 1993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77382673 is a prime.

It is not a weakly prime, because it can be changed into another prime (77382653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38691336 + 38691337.

It is an arithmetic number, because the mean of its divisors is an integer number (38691337).

Almost surely, 2^77382673 is an apocalyptic number.

It is an amenable number.

77382673 is a deficient number, since it is larger than the sum of its proper divisors (1).

77382673 is an equidigital number, since it uses as much as digits as its factorization.

77382673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 43.

The square root of 77382673 is about 8796.7421810577. The cubic root of 77382673 is about 426.1356900586.

The spelling of 77382673 in words is "seventy-seven million, three hundred eighty-two thousand, six hundred seventy-three".