74664196 has 6 divisors (see below), whose sum is σ = 130662350. Its totient is φ = 37332096.

The previous prime is 74664193. The next prime is 74664223. The reversal of 74664196 is 69146647.

It can be written as a sum of positive squares in only one way, i.e., 73788100 + 876096 = 8590^2 + 936^2 .

It is not an unprimeable number, because it can be changed into a prime (74664193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9333021 + ... + 9333028.

Almost surely, 2^74664196 is an apocalyptic number.

It is an amenable number.

74664196 is a deficient number, since it is larger than the sum of its proper divisors (55998154).

74664196 is a wasteful number, since it uses less digits than its factorization.

74664196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18666053 (or 18666051 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 74664196 is about 8640.8446346408. The cubic root of 74664196 is about 421.0859952630.

The spelling of 74664196 in words is "seventy-four million, six hundred sixty-four thousand, one hundred ninety-six".