74666164 has 6 divisors (see below), whose sum is σ = 130665794. Its totient is φ = 37333080.

The previous prime is 74666153. The next prime is 74666167. The reversal of 74666164 is 46166647.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72386064 + 2280100 = 8508^2 + 1510^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74666167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9333267 + ... + 9333274.

Almost surely, 2^74666164 is an apocalyptic number.

It is an amenable number.

74666164 is a deficient number, since it is larger than the sum of its proper divisors (55999630).

74666164 is a wasteful number, since it uses less digits than its factorization.

74666164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18666545 (or 18666543 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 74666164 is about 8640.9585116467. The cubic root of 74666164 is about 421.0896948942.

The spelling of 74666164 in words is "seventy-four million, six hundred sixty-six thousand, one hundred sixty-four".