74742166 has 16 divisors (see below), whose sum is σ = 119381040. Its totient is φ = 34973440.

The previous prime is 74742103. The next prime is 74742169. The reversal of 74742166 is 66124747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74742169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 12226.

It is an arithmetic number, because the mean of its divisors is an integer number (7461315).

Almost surely, 2^74742166 is an apocalyptic number.

74742166 is a deficient number, since it is larger than the sum of its proper divisors (44638874).

74742166 is a wasteful number, since it uses less digits than its factorization.

74742166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479.

The product of its digits is 56448, while the sum is 37.

The square root of 74742166 is about 8645.3551691067. The cubic root of 74742166 is about 421.2325208842.

The spelling of 74742166 in words is "seventy-four million, seven hundred forty-two thousand, one hundred sixty-six".