74012 has 6 divisors (see below), whose sum is σ = 129528. Its totient is φ = 37004.

The previous prime is 73999. The next prime is 74017. The reversal of 74012 is 21047.

It is a happy number.

It is a super-2 number, since 2×74012² = 10955552288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74017) by changing a digit.

74012 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 as a sum of consecutive naturals, namely, 9248 + ... + 9255.

It is an arithmetic number, because the mean of its divisors is an integer number (21588).

2⁷⁴⁰¹² is an apocalyptic number.

It is an amenable number.

74012 is a deficient number, since it is larger than the sum of its proper divisors (55516).

74012 is a wasteful number, since it uses less digits than its factorization.

74012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18507 (or 18505 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 74012 is about 272.0514657193. The cubic root of 74012 is about 41.9856337865.

Adding to 74012 its reverse (21047), we get a palindrome (95059).

The spelling of 74012 in words is "seventy-four thousand, twelve", and thus it is an iban number.