74819263 has 2 divisors, whose sum is σ = 74819264. Its totient is φ = 74819262.

The previous prime is 74819249. The next prime is 74819273. The reversal of 74819263 is 36291847.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74819263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74819203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37409631 + 37409632.

It is an arithmetic number, because the mean of its divisors is an integer number (37409632).

Almost surely, 2^74819263 is an apocalyptic number.

74819263 is a deficient number, since it is larger than the sum of its proper divisors (1).

74819263 is an equidigital number, since it uses as much as digits as its factorization.

74819263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 74819263 is about 8649.8128881497. The cubic root of 74819263 is about 421.3773057514.

The spelling of 74819263 in words is "seventy-four million, eight hundred nineteen thousand, two hundred sixty-three".