74837743 has 2 divisors, whose sum is σ = 74837744. Its totient is φ = 74837742.

The previous prime is 74837687. The next prime is 74837747. The reversal of 74837743 is 34773847.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74837743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74837743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74837747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37418871 + 37418872.

It is an arithmetic number, because the mean of its divisors is an integer number (37418872).

Almost surely, 2^74837743 is an apocalyptic number.

74837743 is a deficient number, since it is larger than the sum of its proper divisors (1).

74837743 is an equidigital number, since it uses as much as digits as its factorization.

74837743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 43.

The square root of 74837743 is about 8650.8810533957. The cubic root of 74837743 is about 421.4119956217.

The spelling of 74837743 in words is "seventy-four million, eight hundred thirty-seven thousand, seven hundred forty-three".