74245466 has 4 divisors (see below), whose sum is σ = 111368202. Its totient is φ = 37122732.

The previous prime is 74245463. The next prime is 74245487. The reversal of 74245466 is 66454247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66454247 = 79 ⋅841193.

It can be written as a sum of positive squares in only one way, i.e., 66765241 + 7480225 = 8171^2 + 2735^2 .

It is not an unprimeable number, because it can be changed into a prime (74245463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18561365 + ... + 18561368.

Almost surely, 2^74245466 is an apocalyptic number.

74245466 is a deficient number, since it is larger than the sum of its proper divisors (37122736).

74245466 is a wasteful number, since it uses less digits than its factorization.

74245466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37122735.

The product of its digits is 161280, while the sum is 38.

The square root of 74245466 is about 8616.5808764266. The cubic root of 74245466 is about 420.2973442415.

The spelling of 74245466 in words is "seventy-four million, two hundred forty-five thousand, four hundred sixty-six".