74404312 has 8 divisors (see below), whose sum is σ = 139508100. Its totient is φ = 37202152.

The previous prime is 74404279. The next prime is 74404321. The reversal of 74404312 is 21340447.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4650262 + ... + 4650277.

Almost surely, 2^74404312 is an apocalyptic number.

It is an amenable number.

74404312 is a deficient number, since it is larger than the sum of its proper divisors (65103788).

74404312 is a wasteful number, since it uses less digits than its factorization.

74404312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300545 (or 9300541 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 74404312 is about 8625.7934127824. The cubic root of 74404312 is about 420.5968686877.

Adding to 74404312 its reverse (21340447), we get a palindrome (95744759).

The spelling of 74404312 in words is "seventy-four million, four hundred four thousand, three hundred twelve".