42807316 has 6 divisors (see below), whose sum is σ = 74912810. Its totient is φ = 21403656.

The previous prime is 42807307. The next prime is 42807341. The reversal of 42807316 is 61370824.

It can be written as a sum of positive squares in only one way, i.e., 31315216 + 11492100 = 5596^2 + 3390^2 .

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, 5350911 + ... + 5350918.

Almost surely, 2^42807316 is an apocalyptic number.

It is an amenable number.

42807316 is a deficient number, since it is larger than the sum of its proper divisors (32105494).

42807316 is a wasteful number, since it uses less digits than its factorization.

42807316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10701833 (or 10701831 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 42807316 is about 6542.7300112415. The cubic root of 42807316 is about 349.8157288506.

The spelling of 42807316 in words is "forty-two million, eight hundred seven thousand, three hundred sixteen".