74723263 has 2 divisors, whose sum is σ = 74723264. Its totient is φ = 74723262.

The previous prime is 74723249. The next prime is 74723267. The reversal of 74723263 is 36232747.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74723263 - 2⁹ = 74722751 is a prime.

It is equal to p_4379029 and since 74723263 and 4379029 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74723267) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37361631 + 37361632.

It is an arithmetic number, because the mean of its divisors is an integer number (37361632).

Almost surely, 2^74723263 is an apocalyptic number.

74723263 is a deficient number, since it is larger than the sum of its proper divisors (1).

74723263 is an equidigital number, since it uses as much as digits as its factorization.

74723263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 34.

The square root of 74723263 is about 8644.2618539700. The cubic root of 74723263 is about 421.1970066619.

The spelling of 74723263 in words is "seventy-four million, seven hundred twenty-three thousand, two hundred sixty-three".