74440043 has 8 divisors (see below), whose sum is σ = 78442320. Its totient is φ = 70446240.

The previous prime is 74440039. The next prime is 74440049. The reversal of 74440043 is 34004447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74440043 - 2² = 74440039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74439994 and 74440021.

It is not an unprimeable number, because it can be changed into a prime (74440049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24821 + ... + 27657.

It is an arithmetic number, because the mean of its divisors is an integer number (9805290).

Almost surely, 2^74440043 is an apocalyptic number.

74440043 is a deficient number, since it is larger than the sum of its proper divisors (4002277).

74440043 is a wasteful number, since it uses less digits than its factorization.

74440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 74440043 is about 8627.8643359756. The cubic root of 74440043 is about 420.6641853135.

The spelling of 74440043 in words is "seventy-four million, four hundred forty thousand, forty-three".