76076321 has 2 divisors, whose sum is σ = 76076322. Its totient is φ = 76076320.

The previous prime is 76076317. The next prime is 76076339. The reversal of 76076321 is 12367067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75498721 + 577600 = 8689^2 + 760^2 .

It is an emirp because it is prime and its reverse (12367067) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76076321 - 2² = 76076317 is a prime.

It is not a weakly prime, because it can be changed into another prime (76076621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38038160 + 38038161.

It is an arithmetic number, because the mean of its divisors is an integer number (38038161).

Almost surely, 2^76076321 is an apocalyptic number.

It is an amenable number.

76076321 is a deficient number, since it is larger than the sum of its proper divisors (1).

76076321 is an equidigital number, since it uses as much as digits as its factorization.

76076321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 76076321 is about 8722.1740982395. The cubic root of 76076321 is about 423.7241014677.

The spelling of 76076321 in words is "seventy-six million, seventy-six thousand, three hundred twenty-one".