42747500 has 30 divisors (see below), whose sum is σ = 93485700. Its totient is φ = 17098000.

The previous prime is 42747499. The next prime is 42747517. The reversal of 42747500 is 574724.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6050 + ... + 11049.

It is an arithmetic number, because the mean of its divisors is an integer number (3116190).

Almost surely, 2^42747500 is an apocalyptic number.

It is an amenable number.

42747500 is an abundant number, since it is smaller than the sum of its proper divisors (50738200).

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

42747500 is a wasteful number, since it uses less digits than its factorization.

42747500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17123 (or 17106 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 42747500 is about 6538.1572327377. The cubic root of 42747500 is about 349.6527167509.

The spelling of 42747500 in words is "forty-two million, seven hundred forty-seven thousand, five hundred".