76325681 has 2 divisors, whose sum is σ = 76325682. Its totient is φ = 76325680.

The previous prime is 76325677. The next prime is 76325687. The reversal of 76325681 is 18652367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73685056 + 2640625 = 8584^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 76325681 - 2² = 76325677 is a prime.

It is a super-3 number, since 3×76325681³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (76325687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38162840 + 38162841.

It is an arithmetic number, because the mean of its divisors is an integer number (38162841).

Almost surely, 2^76325681 is an apocalyptic number.

It is an amenable number.

76325681 is a deficient number, since it is larger than the sum of its proper divisors (1).

76325681 is an equidigital number, since it uses as much as digits as its factorization.

76325681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 76325681 is about 8736.4570049878. The cubic root of 76325681 is about 424.1865520162.

The spelling of 76325681 in words is "seventy-six million, three hundred twenty-five thousand, six hundred eighty-one".