74100012 has 72 divisors (see below), whose sum is σ = 203288064. Its totient is φ = 20569728.

The previous prime is 74099999. The next prime is 74100041. The reversal of 74100012 is 21000147.

It is a junction number, because it is equal to n+sod(n) for n = 74099964 and 74100000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540808 + ... + 540944.

Almost surely, 2^74100012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74100012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101644032).

74100012 is an abundant number, since it is smaller than the sum of its proper divisors (129188052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74100012 is a wasteful number, since it uses less digits than its factorization.

74100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 74100012 is about 8608.1363836779. The cubic root of 74100012 is about 420.0226971861.

Adding to 74100012 its reverse (21000147), we get a palindrome (95100159).

The spelling of 74100012 in words is "seventy-four million, one hundred thousand, twelve".