74903443 has 2 divisors, whose sum is σ = 74903444. Its totient is φ = 74903442.

The previous prime is 74903431. The next prime is 74903447. The reversal of 74903443 is 34430947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74903443 - 2⁹ = 74902931 is a prime.

It is a super-2 number, since 2×74903443² = 11221051546508498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74903399 and 74903408.

It is not a weakly prime, because it can be changed into another prime (74903447) 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, 37451721 + 37451722.

It is an arithmetic number, because the mean of its divisors is an integer number (37451722).

Almost surely, 2^74903443 is an apocalyptic number.

74903443 is a deficient number, since it is larger than the sum of its proper divisors (1).

74903443 is an equidigital number, since it uses as much as digits as its factorization.

74903443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 74903443 is about 8654.6775214331. The cubic root of 74903443 is about 421.5352786466.

The spelling of 74903443 in words is "seventy-four million, nine hundred three thousand, four hundred forty-three".