42745371 has 8 divisors (see below), whose sum is σ = 57031680. Its totient is φ = 28477992.

The previous prime is 42745357. The next prime is 42745433. The reversal of 42745371 is 17354724.

42745371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42745371 - 2⁹ = 42744859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42745271) 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, 1846 + ... + 9428.

It is an arithmetic number, because the mean of its divisors is an integer number (7128960).

Almost surely, 2^42745371 is an apocalyptic number.

42745371 is a deficient number, since it is larger than the sum of its proper divisors (14286309).

42745371 is a wasteful number, since it uses less digits than its factorization.

42745371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9465.

The product of its digits is 23520, while the sum is 33.

The square root of 42745371 is about 6537.9944172506. The cubic root of 42745371 is about 349.6469119436.

The spelling of 42745371 in words is "forty-two million, seven hundred forty-five thousand, three hundred seventy-one".