42773589 has 12 divisors (see below), whose sum is σ = 64072736. Its totient is φ = 28515564.

The previous prime is 42773573. The next prime is 42773593. The reversal of 42773589 is 98537724.

It is not a de Polignac number, because 42773589 - 2⁴ = 42773573 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42773189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87769 + ... + 88254.

Almost surely, 2^42773589 is an apocalyptic number.

It is an amenable number.

42773589 is a deficient number, since it is larger than the sum of its proper divisors (21299147).

42773589 is an equidigital number, since it uses as much as digits as its factorization.

42773589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176038 (or 176026 counting only the distinct ones).

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

The square root of 42773589 is about 6540.1520624524. The cubic root of 42773589 is about 349.7238338502.

The spelling of 42773589 in words is "forty-two million, seven hundred seventy-three thousand, five hundred eighty-nine".