77068017 has 20 divisors (see below), whose sum is σ = 123983860. Its totient is φ = 47425824.

The previous prime is 77068007. The next prime is 77068039. The reversal of 77068017 is 71086077.

It can be written as a sum of positive squares in 2 ways, for example, as 48776256 + 28291761 = 6984^2 + 5319^2 .

It is not a de Polignac number, because 77068017 - 2⁴ = 77068001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77068007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35542 + ... + 37647.

It is an arithmetic number, because the mean of its divisors is an integer number (6199193).

Almost surely, 2^77068017 is an apocalyptic number.

It is an amenable number.

77068017 is a deficient number, since it is larger than the sum of its proper divisors (46915843).

77068017 is a wasteful number, since it uses less digits than its factorization.

77068017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73214 (or 73205 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 77068017 is about 8778.8391601624. The cubic root of 77068017 is about 425.5573163736.

The spelling of 77068017 in words is "seventy-seven million, sixty-eight thousand, seventeen".