74345171 has 8 divisors (see below), whose sum is σ = 76217040. Its totient is φ = 72496512.

The previous prime is 74345149. The next prime is 74345179. The reversal of 74345171 is 17154347.

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 74345171 - 2⁶ = 74345107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74345179) 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, 776 + ... + 12218.

It is an arithmetic number, because the mean of its divisors is an integer number (9527130).

Almost surely, 2^74345171 is an apocalyptic number.

74345171 is a deficient number, since it is larger than the sum of its proper divisors (1871869).

74345171 is a wasteful number, since it uses less digits than its factorization.

74345171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11605.

The product of its digits is 11760, while the sum is 32.

The square root of 74345171 is about 8622.3645828740. The cubic root of 74345171 is about 420.4854006279.

The spelling of 74345171 in words is "seventy-four million, three hundred forty-five thousand, one hundred seventy-one".