76264921 has 2 divisors, whose sum is σ = 76264922. Its totient is φ = 76264920.

The previous prime is 76264871. The next prime is 76264927. The reversal of 76264921 is 12946267.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39237696 + 37027225 = 6264^2 + 6085^2 .

It is a cyclic number.

It is not a de Polignac number, because 76264921 - 2¹³ = 76256729 is a prime.

It is not a weakly prime, because it can be changed into another prime (76264927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38132460 + 38132461.

It is an arithmetic number, because the mean of its divisors is an integer number (38132461).

Almost surely, 2^76264921 is an apocalyptic number.

It is an amenable number.

76264921 is a deficient number, since it is larger than the sum of its proper divisors (1).

76264921 is an equidigital number, since it uses as much as digits as its factorization.

76264921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 76264921 is about 8732.9789304681. The cubic root of 76264921 is about 424.0739624888.

The spelling of 76264921 in words is "seventy-six million, two hundred sixty-four thousand, nine hundred twenty-one".