42304537 has 16 divisors (see below), whose sum is σ = 47657664. Its totient is φ = 37224000.

The previous prime is 42304529. The next prime is 42304543. The reversal of 42304537 is 73540324.

It is not a de Polignac number, because 42304537 - 2³ = 42304529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42304597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44487 + ... + 45427.

It is an arithmetic number, because the mean of its divisors is an integer number (2978604).

Almost surely, 2^42304537 is an apocalyptic number.

It is an amenable number.

42304537 is a deficient number, since it is larger than the sum of its proper divisors (5353127).

42304537 is a wasteful number, since it uses less digits than its factorization.

42304537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 42304537 is about 6504.1938009257. The cubic root of 42304537 is about 348.4407838859.

The spelling of 42304537 in words is "forty-two million, three hundred four thousand, five hundred thirty-seven".