76531801 has 2 divisors, whose sum is σ = 76531802. Its totient is φ = 76531800.

The previous prime is 76531769. The next prime is 76531811. The reversal of 76531801 is 10813567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62394201 + 14137600 = 7899^2 + 3760^2 .

It is an emirp because it is prime and its reverse (10813567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76531801 - 2⁵ = 76531769 is a prime.

It is not a weakly prime, because it can be changed into another prime (76531811) 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 as a sum of consecutive naturals, namely, 38265900 + 38265901.

It is an arithmetic number, because the mean of its divisors is an integer number (38265901).

Almost surely, 2^76531801 is an apocalyptic number.

It is an amenable number.

76531801 is a deficient number, since it is larger than the sum of its proper divisors (1).

76531801 is an equidigital number, since it uses as much as digits as its factorization.

76531801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 76531801 is about 8748.2455955466. The cubic root of 76531801 is about 424.5680520273.

The spelling of 76531801 in words is "seventy-six million, five hundred thirty-one thousand, eight hundred one".