74606686 has 16 divisors (see below), whose sum is σ = 139524480. Its totient is φ = 29067480.

The previous prime is 74606683. The next prime is 74606737. The reversal of 74606686 is 68660647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74606683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242076 + ... + 242383.

It is an arithmetic number, because the mean of its divisors is an integer number (8720280).

Almost surely, 2^74606686 is an apocalyptic number.

74606686 is a deficient number, since it is larger than the sum of its proper divisors (64917794).

74606686 is a wasteful number, since it uses less digits than its factorization.

74606686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484479.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 74606686 is about 8637.5161939067. The cubic root of 74606686 is about 420.9778538460.

It can be divided in two parts, 74606 and 686, that multiplied together give a square (51179716 = 7154²).

The spelling of 74606686 in words is "seventy-four million, six hundred six thousand, six hundred eighty-six".