42493437 has 24 divisors (see below), whose sum is σ = 73233600. Its totient is φ = 24281208.

The previous prime is 42493411. The next prime is 42493441. The reversal of 42493437 is 73439424.

It is not a de Polignac number, because 42493437 - 2⁷ = 42493309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42493447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14737 + ... + 17382.

It is an arithmetic number, because the mean of its divisors is an integer number (3051400).

Almost surely, 2^42493437 is an apocalyptic number.

It is an amenable number.

42493437 is a deficient number, since it is larger than the sum of its proper divisors (30740163).

42493437 is a wasteful number, since it uses less digits than its factorization.

42493437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32142 (or 32129 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 42493437 is about 6518.6990266463. The cubic root of 42493437 is about 348.9586380212.

The spelling of 42493437 in words is "forty-two million, four hundred ninety-three thousand, four hundred thirty-seven".