74418943 has 4 divisors (see below), whose sum is σ = 75823128. Its totient is φ = 73014760.

The previous prime is 74418937. The next prime is 74418947. The reversal of 74418943 is 34981447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34981447 = 2861 ⋅12227.

It is a cyclic number.

It is not a de Polignac number, because 74418943 - 2⁹ = 74418431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74418896 and 74418905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74418947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702013 + ... + 702118.

It is an arithmetic number, because the mean of its divisors is an integer number (18955782).

Almost surely, 2^74418943 is an apocalyptic number.

74418943 is a deficient number, since it is larger than the sum of its proper divisors (1404185).

74418943 is a wasteful number, since it uses less digits than its factorization.

74418943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404184.

The product of its digits is 96768, while the sum is 40.

The square root of 74418943 is about 8626.6414669905. The cubic root of 74418943 is about 420.6244358601.

It can be divided in two parts, 7441 and 8943, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 74418943 in words is "seventy-four million, four hundred eighteen thousand, nine hundred forty-three".