74494943 has 2 divisors, whose sum is σ = 74494944. Its totient is φ = 74494942.

The previous prime is 74494921. The next prime is 74494961. The reversal of 74494943 is 34949447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74494943 - 2⁶ = 74494879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74494894 and 74494903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74494913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37247471 + 37247472.

It is an arithmetic number, because the mean of its divisors is an integer number (37247472).

Almost surely, 2^74494943 is an apocalyptic number.

74494943 is a deficient number, since it is larger than the sum of its proper divisors (1).

74494943 is an equidigital number, since it uses as much as digits as its factorization.

74494943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 74494943 is about 8631.0453017001. The cubic root of 74494943 is about 420.7675740621.

The spelling of 74494943 in words is "seventy-four million, four hundred ninety-four thousand, nine hundred forty-three".