42745700 has 18 divisors (see below), whose sum is σ = 92758386. Its totient is φ = 17098240.

The previous prime is 42745699. The next prime is 42745723. The reversal of 42745700 is 754724.

42745700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 256 + 42745444 = 16^2 + 6538^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 213629 + ... + 213828.

Almost surely, 2^42745700 is an apocalyptic number.

It is an amenable number.

42745700 is an abundant number, since it is smaller than the sum of its proper divisors (50012686).

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

42745700 is a wasteful number, since it uses less digits than its factorization.

42745700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427471 (or 427464 counting only the distinct ones).

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

The square root of 42745700 is about 6538.0195778232. The cubic root of 42745700 is about 349.6478089884.

The spelling of 42745700 in words is "forty-two million, seven hundred forty-five thousand, seven hundred".