42049704 has 64 divisors (see below), whose sum is σ = 116173440. Its totient is φ = 12615680.

The previous prime is 42049703. The next prime is 42049747. The reversal of 42049704 is 40794024.

It is not an unprimeable number, because it can be changed into a prime (42049703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7144 + ... + 11624.

It is an arithmetic number, because the mean of its divisors is an integer number (1815210).

Almost surely, 2^42049704 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 42049704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58086720).

42049704 is an abundant number, since it is smaller than the sum of its proper divisors (74123736).

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

42049704 is a wasteful number, since it uses less digits than its factorization.

42049704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42049704 is about 6484.5743113947. The cubic root of 42049704 is about 347.7397314081.

The spelling of 42049704 in words is "forty-two million, forty-nine thousand, seven hundred four".