42810732 has 36 divisors (see below), whose sum is σ = 109593120. Its totient is φ = 14088672.

The previous prime is 42810701. The next prime is 42810737. The reversal of 42810732 is 23701824.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 42810696 and 42810705.

It is not an unprimeable number, because it can be changed into a prime (42810737) 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, 4683 + ... + 10370.

Almost surely, 2^42810732 is an apocalyptic number.

It is an amenable number.

42810732 is an abundant number, since it is smaller than the sum of its proper divisors (66782388).

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

42810732 is a wasteful number, since it uses less digits than its factorization.

42810732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15142 (or 15137 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 42810732 is about 6542.9910591411. The cubic root of 42810732 is about 349.8250336366.

The spelling of 42810732 in words is "forty-two million, eight hundred ten thousand, seven hundred thirty-two".