42328737 has 20 divisors (see below), whose sum is σ = 68981616. Its totient is φ = 25653240.

The previous prime is 42328729. The next prime is 42328747. The reversal of 42328737 is 73782324.

It is not a de Polignac number, because 42328737 - 2³ = 42328729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42328747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22863 + ... + 24644.

Almost surely, 2^42328737 is an apocalyptic number.

It is an amenable number.

42328737 is a deficient number, since it is larger than the sum of its proper divisors (26652879).

42328737 is a wasteful number, since it uses less digits than its factorization.

42328737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47530 (or 47521 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 42328737 is about 6506.0538731246. The cubic root of 42328737 is about 348.5072122188.

It can be divided in two parts, 423287 and 37, that added together give a palindrome (423324).

The spelling of 42328737 in words is "forty-two million, three hundred twenty-eight thousand, seven hundred thirty-seven".