76292921 has 2 divisors, whose sum is σ = 76292922. Its totient is φ = 76292920.

The previous prime is 76292903. The next prime is 76292929. The reversal of 76292921 is 12929267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74995600 + 1297321 = 8660^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 76292921 - 2¹⁴ = 76276537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76292929) 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, 38146460 + 38146461.

It is an arithmetic number, because the mean of its divisors is an integer number (38146461).

Almost surely, 2^76292921 is an apocalyptic number.

It is an amenable number.

76292921 is a deficient number, since it is larger than the sum of its proper divisors (1).

76292921 is an equidigital number, since it uses as much as digits as its factorization.

76292921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 76292921 is about 8734.5819018428. The cubic root of 76292921 is about 424.1258544899.

The spelling of 76292921 in words is "seventy-six million, two hundred ninety-two thousand, nine hundred twenty-one".