74140886 has 8 divisors (see below), whose sum is σ = 111272520. Its totient is φ = 37050048.

The previous prime is 74140879. The next prime is 74140889. The reversal of 74140886 is 68804147.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74140889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5156 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (13909065).

Almost surely, 2^74140886 is an apocalyptic number.

74140886 is a deficient number, since it is larger than the sum of its proper divisors (37131634).

74140886 is a wasteful number, since it uses less digits than its factorization.

74140886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20398.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 74140886 is about 8610.5102055569. The cubic root of 74140886 is about 420.0999119826.

The spelling of 74140886 in words is "seventy-four million, one hundred forty thousand, eight hundred eighty-six".