42407736 has 48 divisors (see below), whose sum is σ = 123332040. Its totient is φ = 12116160.

The previous prime is 42407711. The next prime is 42407737. The reversal of 42407736 is 63770424.

It is a junction number, because it is equal to n+sod(n) for n = 42407697 and 42407706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42407737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16855 + ... + 19206.

Almost surely, 2^42407736 is an apocalyptic number.

It is an amenable number.

42407736 is an abundant number, since it is smaller than the sum of its proper divisors (80924304).

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

42407736 is a wasteful number, since it uses less digits than its factorization.

42407736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36084 (or 36073 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 42407736 is about 6512.1222347250. The cubic root of 42407736 is about 348.7238862270.

The spelling of 42407736 in words is "forty-two million, four hundred seven thousand, seven hundred thirty-six".