74047244 has 6 divisors (see below), whose sum is σ = 129582684. Its totient is φ = 37023620.

The previous prime is 74047243. The next prime is 74047273. The reversal of 74047244 is 44274047.

It is a self number, because there is not a number n which added to its sum of digits gives 74047244.

It is not an unprimeable number, because it can be changed into a prime (74047243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9255902 + ... + 9255909.

It is an arithmetic number, because the mean of its divisors is an integer number (21597114).

Almost surely, 2^74047244 is an apocalyptic number.

It is an amenable number.

74047244 is a deficient number, since it is larger than the sum of its proper divisors (55535440).

74047244 is a wasteful number, since it uses less digits than its factorization.

74047244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18511815 (or 18511813 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 74047244 is about 8605.0708306207. The cubic root of 74047244 is about 419.9229715124.

The spelling of 74047244 in words is "seventy-four million, forty-seven thousand, two hundred forty-four".