76445273 has 2 divisors, whose sum is σ = 76445274. Its totient is φ = 76445272.

The previous prime is 76445269. The next prime is 76445321. The reversal of 76445273 is 37254467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76177984 + 267289 = 8728^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 76445273 - 2² = 76445269 is a prime.

It is not a weakly prime, because it can be changed into another prime (76445233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38222636 + 38222637.

It is an arithmetic number, because the mean of its divisors is an integer number (38222637).

Almost surely, 2^76445273 is an apocalyptic number.

It is an amenable number.

76445273 is a deficient number, since it is larger than the sum of its proper divisors (1).

76445273 is an equidigital number, since it uses as much as digits as its factorization.

76445273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 38.

The square root of 76445273 is about 8743.2987481842. The cubic root of 76445273 is about 424.4079840217.

The spelling of 76445273 in words is "seventy-six million, four hundred forty-five thousand, two hundred seventy-three".