42447704 has 32 divisors (see below), whose sum is σ = 87129840. Its totient is φ = 19267200.

The previous prime is 42447703. The next prime is 42447709. The reversal of 42447704 is 40774424.

42447704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42447701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2999 + ... + 9689.

Almost surely, 2^42447704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42447704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43564920).

42447704 is an abundant number, since it is smaller than the sum of its proper divisors (44682136).

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

42447704 is a wasteful number, since it uses less digits than its factorization.

42447704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771 (or 6767 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 42447704 is about 6515.1902504839. The cubic root of 42447704 is about 348.8334057097.

The spelling of 42447704 in words is "forty-two million, four hundred forty-seven thousand, seven hundred four".