74402312 has 16 divisors (see below), whose sum is σ = 139656300. Its totient is φ = 37160640.

The previous prime is 74402311. The next prime is 74402323. The reversal of 74402312 is 21320447.

It can be written as a sum of positive squares in 2 ways, for example, as 72012196 + 2390116 = 8486^2 + 1546^2 .

It is not an unprimeable number, because it can be changed into a prime (74402311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3614 + ... + 12722.

Almost surely, 2^74402312 is an apocalyptic number.

It is an amenable number.

74402312 is a deficient number, since it is larger than the sum of its proper divisors (65253988).

74402312 is a wasteful number, since it uses less digits than its factorization.

74402312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10136 (or 10132 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 74402312 is about 8625.6774806388. The cubic root of 74402312 is about 420.5931000832.

Adding to 74402312 its reverse (21320447), we get a palindrome (95722759).

The spelling of 74402312 in words is "seventy-four million, four hundred two thousand, three hundred twelve".