42437493 has 32 divisors (see below), whose sum is σ = 72376320. Its totient is φ = 24073200.

The previous prime is 42437467. The next prime is 42437497. The reversal of 42437493 is 39473424.

It is not a de Polignac number, because 42437493 - 2¹⁰ = 42436469 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42437497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27796 + ... + 29282.

It is an arithmetic number, because the mean of its divisors is an integer number (2261760).

Almost surely, 2^42437493 is an apocalyptic number.

It is an amenable number.

42437493 is a deficient number, since it is larger than the sum of its proper divisors (29938827).

42437493 is a wasteful number, since it uses less digits than its factorization.

42437493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1648 counting only the distinct ones).

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

The square root of 42437493 is about 6514.4065731270. The cubic root of 42437493 is about 348.8054322803.

The spelling of 42437493 in words is "forty-two million, four hundred thirty-seven thousand, four hundred ninety-three".