77068084 has 6 divisors (see below), whose sum is σ = 134869154. Its totient is φ = 38534040.

The previous prime is 77068081. The next prime is 77068097. The reversal of 77068084 is 48086077.

It can be written as a sum of positive squares in only one way, i.e., 47059600 + 30008484 = 6860^2 + 5478^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77068081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9633507 + ... + 9633514.

Almost surely, 2^77068084 is an apocalyptic number.

It is an amenable number.

77068084 is a deficient number, since it is larger than the sum of its proper divisors (57801070).

77068084 is a wasteful number, since it uses less digits than its factorization.

77068084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19267025 (or 19267023 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 77068084 is about 8778.8429761558. The cubic root of 77068084 is about 425.5574396947.

The spelling of 77068084 in words is "seventy-seven million, sixty-eight thousand, eighty-four".