42321316 has 6 divisors (see below), whose sum is σ = 74062310. Its totient is φ = 21160656.

The previous prime is 42321289. The next prime is 42321319. The reversal of 42321316 is 61312324.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 5062500 = 6104^2 + 2250^2 .

It is not an unprimeable number, because it can be changed into a prime (42321319) 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 as a sum of consecutive naturals, namely, 5290161 + ... + 5290168.

Almost surely, 2^42321316 is an apocalyptic number.

It is an amenable number.

42321316 is a deficient number, since it is larger than the sum of its proper divisors (31740994).

42321316 is a wasteful number, since it uses less digits than its factorization.

42321316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10580333 (or 10580331 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 42321316 is about 6505.4835331434. The cubic root of 42321316 is about 348.4868444706.

The spelling of 42321316 in words is "forty-two million, three hundred twenty-one thousand, three hundred sixteen".