76704678 has 64 divisors (see below), whose sum is σ = 179481600. Its totient is φ = 24235200.

The previous prime is 76704671. The next prime is 76704679. The reversal of 76704678 is 87640767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76704671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187338 + ... + 187746.

It is an arithmetic number, because the mean of its divisors is an integer number (2804400).

Almost surely, 2^76704678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76704678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89740800).

76704678 is an abundant number, since it is smaller than the sum of its proper divisors (102776922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76704678 is a wasteful number, since it uses less digits than its factorization.

76704678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 76704678 is about 8758.1206888236. The cubic root of 76704678 is about 424.8874959419.

The spelling of 76704678 in words is "seventy-six million, seven hundred four thousand, six hundred seventy-eight".