42247832 has 32 divisors (see below), whose sum is σ = 86890320. Its totient is φ = 19098240.

The previous prime is 42247817. The next prime is 42247853. The reversal of 42247832 is 23874224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16118 + ... + 18554.

Almost surely, 2^42247832 is an apocalyptic number.

It is an amenable number.

42247832 is an abundant number, since it is smaller than the sum of its proper divisors (44642488).

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

42247832 is a wasteful number, since it uses less digits than its factorization.

42247832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651 (or 2647 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 42247832 is about 6499.8332286298. The cubic root of 42247832 is about 348.2850309363.

The spelling of 42247832 in words is "forty-two million, two hundred forty-seven thousand, eight hundred thirty-two".