74440659 has 8 divisors (see below), whose sum is σ = 99420160. Its totient is φ = 49544136.

The previous prime is 74440657. The next prime is 74440661. The reversal of 74440659 is 95604447.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74440657) and next prime (74440661).

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

It is not a de Polignac number, because 74440659 - 2¹ = 74440657 is a prime.

It is a super-3 number, since 3×74440659³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74440657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18619 + ... + 22260.

It is an arithmetic number, because the mean of its divisors is an integer number (12427520).

Almost surely, 2^74440659 is an apocalyptic number.

74440659 is a deficient number, since it is larger than the sum of its proper divisors (24979501).

74440659 is a wasteful number, since it uses less digits than its factorization.

74440659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41489.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 74440659 is about 8627.9000341914. The cubic root of 74440659 is about 420.6653456586.

The spelling of 74440659 in words is "seventy-four million, four hundred forty thousand, six hundred fifty-nine".