42592689 has 8 divisors (see below), whose sum is σ = 63100320. Its totient is φ = 28395108.

The previous prime is 42592681. The next prime is 42592703. The reversal of 42592689 is 98629524.

42592689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42592689 - 2³ = 42592681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42592681) 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, 788727 + ... + 788780.

It is an arithmetic number, because the mean of its divisors is an integer number (7887540).

Almost surely, 2^42592689 is an apocalyptic number.

It is an amenable number.

42592689 is a deficient number, since it is larger than the sum of its proper divisors (20507631).

42592689 is a wasteful number, since it uses less digits than its factorization.

42592689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577516 (or 1577510 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 42592689 is about 6526.3074552154. The cubic root of 42592689 is about 349.2301145484.

The spelling of 42592689 in words is "forty-two million, five hundred ninety-two thousand, six hundred eighty-nine".