42737589 has 6 divisors (see below), whose sum is σ = 61732086. Its totient is φ = 28491720.

The previous prime is 42737573. The next prime is 42737599. The reversal of 42737589 is 98573724.

It can be written as a sum of positive squares in only one way, i.e., 37822500 + 4915089 = 6150^2 + 2217^2 .

It is not a de Polignac number, because 42737589 - 2⁴ = 42737573 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42737549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2374302 + ... + 2374319.

It is an arithmetic number, because the mean of its divisors is an integer number (10288681).

Almost surely, 2^42737589 is an apocalyptic number.

It is an amenable number.

42737589 is a deficient number, since it is larger than the sum of its proper divisors (18994497).

42737589 is a wasteful number, since it uses less digits than its factorization.

42737589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748627 (or 4748624 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 42737589 is about 6537.3992535258. The cubic root of 42737589 is about 349.6256923562.

The spelling of 42737589 in words is "forty-two million, seven hundred thirty-seven thousand, five hundred eighty-nine".