74941686 has 48 divisors (see below), whose sum is σ = 172540368. Its totient is φ = 24364800.

The previous prime is 74941679. The next prime is 74941709. The reversal of 74941686 is 68614947.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18046 + ... + 21806.

It is an arithmetic number, because the mean of its divisors is an integer number (3594591).

Almost surely, 2^74941686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74941686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86270184).

74941686 is an abundant number, since it is smaller than the sum of its proper divisors (97598682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74941686 is a wasteful number, since it uses less digits than its factorization.

74941686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819 (or 3807 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 74941686 is about 8656.8866227992. The cubic root of 74941686 is about 421.6070066839.

It can be divided in two parts, 7494 and 1686, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 74941686 in words is "seventy-four million, nine hundred forty-one thousand, six hundred eighty-six".