74842685 has 16 divisors (see below), whose sum is σ = 91796736. Its totient is φ = 58563648.

The previous prime is 74842679. The next prime is 74842693. The reversal of 74842685 is 58624847.

It is a cyclic number.

It is not a de Polignac number, because 74842685 - 2¹⁰ = 74841661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51884 + ... + 53306.

It is an arithmetic number, because the mean of its divisors is an integer number (5737296).

Almost surely, 2^74842685 is an apocalyptic number.

It is an amenable number.

74842685 is a deficient number, since it is larger than the sum of its proper divisors (16954051).

74842685 is a wasteful number, since it uses less digits than its factorization.

74842685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652.

The product of its digits is 430080, while the sum is 44.

The square root of 74842685 is about 8651.1666843265. The cubic root of 74842685 is about 421.4212715661.

The spelling of 74842685 in words is "seventy-four million, eight hundred forty-two thousand, six hundred eighty-five".