42320316 has 12 divisors (see below), whose sum is σ = 98747432. Its totient is φ = 14106768.

The previous prime is 42320297. The next prime is 42320329. The reversal of 42320316 is 61302324.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42320292 and 42320301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763335 + ... + 1763358.

Almost surely, 2^42320316 is an apocalyptic number.

It is an amenable number.

42320316 is an abundant number, since it is smaller than the sum of its proper divisors (56427116).

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

42320316 is a wasteful number, since it uses less digits than its factorization.

42320316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526700 (or 3526698 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 42320316 is about 6505.4066744516. The cubic root of 42320316 is about 348.4840996789.

The spelling of 42320316 in words is "forty-two million, three hundred twenty thousand, three hundred sixteen".