74685871 has 8 divisors (see below), whose sum is σ = 80592624. Its totient is φ = 68802240.

The previous prime is 74685857. The next prime is 74685911. The reversal of 74685871 is 17858647.

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

It is not a de Polignac number, because 74685871 - 2⁵ = 74685839 is a prime.

It is a super-3 number, since 3×74685871³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74685841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260 + ... + 12286.

It is an arithmetic number, because the mean of its divisors is an integer number (10074078).

Almost surely, 2^74685871 is an apocalyptic number.

74685871 is a deficient number, since it is larger than the sum of its proper divisors (5906753).

74685871 is a wasteful number, since it uses less digits than its factorization.

74685871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561.

The product of its digits is 376320, while the sum is 46.

The square root of 74685871 is about 8642.0987612964. The cubic root of 74685871 is about 421.1267383786.

The spelling of 74685871 in words is "seventy-four million, six hundred eighty-five thousand, eight hundred seventy-one".