42713332 has 12 divisors (see below), whose sum is σ = 74859876. Its totient is φ = 21324800.

The previous prime is 42713287. The next prime is 42713339. The reversal of 42713332 is 23331724.

It can be written as a sum of positive squares in 2 ways, for example, as 21864976 + 20848356 = 4676^2 + 4566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42713297 and 42713306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42713339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4813 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (6238323).

Almost surely, 2^42713332 is an apocalyptic number.

It is an amenable number.

42713332 is a deficient number, since it is larger than the sum of its proper divisors (32146544).

42713332 is a wasteful number, since it uses less digits than its factorization.

42713332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938 (or 15936 counting only the distinct ones).

The product of its digits is 3024, while the sum is 25.

The square root of 42713332 is about 6535.5437417249. The cubic root of 42713332 is about 349.5595329897.

The spelling of 42713332 in words is "forty-two million, seven hundred thirteen thousand, three hundred thirty-two".