74823841 has 2 divisors, whose sum is σ = 74823842. Its totient is φ = 74823840.

The previous prime is 74823821. The next prime is 74823871. The reversal of 74823841 is 14832847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59613841 + 15210000 = 7721^2 + 3900^2 .

It is a cyclic number.

It is not a de Polignac number, because 74823841 - 2⁵ = 74823809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74823841.

It is not a weakly prime, because it can be changed into another prime (74823821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37411920 + 37411921.

It is an arithmetic number, because the mean of its divisors is an integer number (37411921).

Almost surely, 2^74823841 is an apocalyptic number.

It is an amenable number.

74823841 is a deficient number, since it is larger than the sum of its proper divisors (1).

74823841 is an equidigital number, since it uses as much as digits as its factorization.

74823841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 37.

The square root of 74823841 is about 8650.0775141036. The cubic root of 74823841 is about 421.3858999106.

The spelling of 74823841 in words is "seventy-four million, eight hundred twenty-three thousand, eight hundred forty-one".