74704212 has 72 divisors (see below), whose sum is σ = 208982592. Its totient is φ = 22310400.

The previous prime is 74704193. The next prime is 74704229. The reversal of 74704212 is 21240747.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26788 + ... + 29444.

It is an arithmetic number, because the mean of its divisors is an integer number (2902536).

Almost surely, 2^74704212 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 74704212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104491296).

74704212 is an abundant number, since it is smaller than the sum of its proper divisors (134278380).

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

74704212 is a wasteful number, since it uses less digits than its factorization.

74704212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 74704212 is about 8643.1598388552. The cubic root of 74704212 is about 421.1612083224.

Adding to 74704212 its reverse (21240747), we get a palindrome (95944959).

The spelling of 74704212 in words is "seventy-four million, seven hundred four thousand, two hundred twelve".