74212 has 6 divisors (see below), whose sum is σ = 129878. Its totient is φ = 37104.

The previous prime is 74209. The next prime is 74219. The reversal of 74212 is 21247.

It can be written as a sum of positive squares in only one way, i.e., 46656 + 27556 = 216^2 + 166^2 .

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (74219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9273 + ... + 9280.

2⁷⁴²¹² is an apocalyptic number.

It is an amenable number.

74212 is a deficient number, since it is larger than the sum of its proper divisors (55666).

74212 is a wasteful number, since it uses less digits than its factorization.

74212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18557 (or 18555 counting only the distinct ones).

The product of its digits is 112, while the sum is 16.

The square root of 74212 is about 272.4187952400. The cubic root of 74212 is about 42.0234185346.

Adding to 74212 its reverse (21247), we get a palindrome (95459).

The spelling of 74212 in words is "seventy-four thousand, two hundred twelve", and thus it is an iban number.