42747504 has 80 divisors (see below), whose sum is σ = 114576000. Its totient is φ = 13724928.

The previous prime is 42747499. The next prime is 42747517. The reversal of 42747504 is 40574724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286822 + ... + 286970.

It is an arithmetic number, because the mean of its divisors is an integer number (1432200).

Almost surely, 2^42747504 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 42747504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57288000).

42747504 is an abundant number, since it is smaller than the sum of its proper divisors (71828496).

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

42747504 is a wasteful number, since it uses less digits than its factorization.

42747504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 42747504 is about 6538.1575386343. The cubic root of 42747504 is about 349.6527276569.

The spelling of 42747504 in words is "forty-two million, seven hundred forty-seven thousand, five hundred four".