76360421 has 2 divisors, whose sum is σ = 76360422. Its totient is φ = 76360420.

The previous prime is 76360399. The next prime is 76360433. The reversal of 76360421 is 12406367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61622500 + 14737921 = 7850^2 + 3839^2 .

It is an emirp because it is prime and its reverse (12406367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76360421 - 2⁶ = 76360357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76360441) 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, 38180210 + 38180211.

It is an arithmetic number, because the mean of its divisors is an integer number (38180211).

Almost surely, 2^76360421 is an apocalyptic number.

It is an amenable number.

76360421 is a deficient number, since it is larger than the sum of its proper divisors (1).

76360421 is an equidigital number, since it uses as much as digits as its factorization.

76360421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 76360421 is about 8738.4449989686. Note that the first 3 decimals coincide. The cubic root of 76360421 is about 424.2508991029.

Adding to 76360421 its reverse (12406367), we get a palindrome (88766788).

The spelling of 76360421 in words is "seventy-six million, three hundred sixty thousand, four hundred twenty-one".