74144666 has 8 divisors (see below), whose sum is σ = 112363860. Its totient is φ = 36690048.

The previous prime is 74144639. The next prime is 74144671. The reversal of 74144666 is 66644147.

It can be written as a sum of positive squares in 2 ways, for example, as 70644025 + 3500641 = 8405^2 + 1871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190901 + ... + 191288.

Almost surely, 2^74144666 is an apocalyptic number.

74144666 is a deficient number, since it is larger than the sum of its proper divisors (38219194).

74144666 is a wasteful number, since it uses less digits than its factorization.

74144666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382288.

The product of its digits is 96768, while the sum is 38.

The square root of 74144666 is about 8610.7297019474. The cubic root of 74144666 is about 420.1070513212.

The spelling of 74144666 in words is "seventy-four million, one hundred forty-four thousand, six hundred sixty-six".