74666 has 8 divisors (see below), whose sum is σ = 115140. Its totient is φ = 36288.

The previous prime is 74653. The next prime is 74687. The reversal of 74666 is 66647.

It can be written as a sum of positive squares in 2 ways, for example, as 73441 + 1225 = 271^2 + 35^2 .

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

74666 is a modest number, since divided by 666 gives 74 as remainder.

It is a Curzon number.

It is a plaindrome in base 16.

It is an unprimeable number.

74666 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431 + ... + 578.

2⁷⁴⁶⁶⁶ is an apocalyptic number.

74666 is a deficient number, since it is larger than the sum of its proper divisors (40474).

74666 is a wasteful number, since it uses less digits than its factorization.

74666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its digits is 6048, while the sum is 29.

The square root of 74666 is about 273.2508005478. The cubic root of 74666 is about 42.1089386594.

It can be divided in two parts, 74 and 666, that multiplied together give a square (49284 = 222²).

The spelling of 74666 in words is "seventy-four thousand, six hundred sixty-six".