76704869 has 2 divisors, whose sum is σ = 76704870. Its totient is φ = 76704868.

The previous prime is 76704863. The next prime is 76704923. The reversal of 76704869 is 96840767.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48135844 + 28569025 = 6938^2 + 5345^2 .

It is a cyclic number.

It is not a de Polignac number, because 76704869 - 2⁴ = 76704853 is a prime.

It is a super-2 number, since 2×76704869² = 11767273856614322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76704863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38352434 + 38352435.

It is an arithmetic number, because the mean of its divisors is an integer number (38352435).

Almost surely, 2^76704869 is an apocalyptic number.

It is an amenable number.

76704869 is a deficient number, since it is larger than the sum of its proper divisors (1).

76704869 is an equidigital number, since it uses as much as digits as its factorization.

76704869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 76704869 is about 8758.1315929826. The cubic root of 76704869 is about 424.8878486082.

The spelling of 76704869 in words is "seventy-six million, seven hundred four thousand, eight hundred sixty-nine".