77068276 has 12 divisors (see below), whose sum is σ = 142803108. Its totient is φ = 36267392.

The previous prime is 77068273. The next prime is 77068289. The reversal of 77068276 is 67286077.

It can be written as a sum of positive squares in 2 ways, for example, as 50751376 + 26316900 = 7124^2 + 5130^2 .

It is a super-2 number, since 2×77068276² = 11879038331224352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77068273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566611 + ... + 566746.

It is an arithmetic number, because the mean of its divisors is an integer number (11900259).

Almost surely, 2^77068276 is an apocalyptic number.

It is an amenable number.

77068276 is a deficient number, since it is larger than the sum of its proper divisors (65734832).

77068276 is a wasteful number, since it uses less digits than its factorization.

77068276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133378 (or 1133376 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 77068276 is about 8778.8539115308. The cubic root of 77068276 is about 425.5577930920.

The spelling of 77068276 in words is "seventy-seven million, sixty-eight thousand, two hundred seventy-six".