42647382 has 48 divisors (see below), whose sum is σ = 99560448. Its totient is φ = 13155120.

The previous prime is 42647369. The next prime is 42647387. The reversal of 42647382 is 28374624.

42647382 is a `hidden beast` number, since 4 + 2 + 647 + 3 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42647387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11173 + ... + 14495.

It is an arithmetic number, because the mean of its divisors is an integer number (2074176).

Almost surely, 2^42647382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42647382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49780224).

42647382 is an abundant number, since it is smaller than the sum of its proper divisors (56913066).

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

42647382 is a wasteful number, since it uses less digits than its factorization.

42647382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385 (or 3382 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 42647382 is about 6530.4963057948. The cubic root of 42647382 is about 349.3795319981.

The spelling of 42647382 in words is "forty-two million, six hundred forty-seven thousand, three hundred eighty-two".