74017944 has 288 divisors, whose sum is σ = 274060800. Its totient is φ = 17521920.

The previous prime is 74017943. The next prime is 74017961. The reversal of 74017944 is 44971047.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 74017899 and 74017908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74017943) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 936897 + ... + 936975.

It is an arithmetic number, because the mean of its divisors is an integer number (951600).

Almost surely, 2^74017944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74017944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137030400).

74017944 is an abundant number, since it is smaller than the sum of its proper divisors (200042856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74017944 is a wasteful number, since it uses less digits than its factorization.

74017944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 74017944 is about 8603.3681776383. The cubic root of 74017944 is about 419.8675773002.

The spelling of 74017944 in words is "seventy-four million, seventeen thousand, nine hundred forty-four".