74340617 has 8 divisors (see below), whose sum is σ = 80129280. Its totient is φ = 68562000.

The previous prime is 74340613. The next prime is 74340619. The reversal of 74340617 is 71604347.

It is a happy number.

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

It is not a de Polignac number, because 74340617 - 2² = 74340613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74340613) 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, 21242 + ... + 24492.

It is an arithmetic number, because the mean of its divisors is an integer number (10016160).

Almost surely, 2^74340617 is an apocalyptic number.

It is an amenable number.

74340617 is a deficient number, since it is larger than the sum of its proper divisors (5788663).

74340617 is a wasteful number, since it uses less digits than its factorization.

74340617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 74340617 is about 8622.1004981385. The cubic root of 74340617 is about 420.4768148669.

The spelling of 74340617 in words is "seventy-four million, three hundred forty thousand, six hundred seventeen".