42547452 has 24 divisors (see below), whose sum is σ = 99531600. Its totient is φ = 14146176.

The previous prime is 42547451. The next prime is 42547457. The reversal of 42547452 is 25474524.

42547452 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 (42547451) 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, 574 + ... + 9242.

It is an arithmetic number, because the mean of its divisors is an integer number (4147150).

Almost surely, 2^42547452 is an apocalyptic number.

It is an amenable number.

42547452 is an abundant number, since it is smaller than the sum of its proper divisors (56984148).

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

42547452 is a wasteful number, since it uses less digits than its factorization.

42547452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085 (or 9083 counting only the distinct ones).

The product of its digits is 44800, while the sum is 33.

The square root of 42547452 is about 6522.8407921702. The cubic root of 42547452 is about 349.1064335495.

The spelling of 42547452 in words is "forty-two million, five hundred forty-seven thousand, four hundred fifty-two".