42847704 has 128 divisors (see below), whose sum is σ = 125952000. Its totient is φ = 13646880.

The previous prime is 42847669. The next prime is 42847711. The reversal of 42847704 is 40774824.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542337 + ... + 542415.

It is an arithmetic number, because the mean of its divisors is an integer number (984000).

Almost surely, 2^42847704 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 42847704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62976000).

42847704 is an abundant number, since it is smaller than the sum of its proper divisors (83104296).

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

42847704 is an equidigital number, since it uses as much as digits as its factorization.

42847704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 42847704 is about 6545.8157627602. The cubic root of 42847704 is about 349.9257094023.

The spelling of 42847704 in words is "forty-two million, eight hundred forty-seven thousand, seven hundred four".