42372449 has 16 divisors (see below), whose sum is σ = 51787008. Its totient is φ = 33841152.

The previous prime is 42372433. The next prime is 42372457. The reversal of 42372449 is 94427324.

It is not a de Polignac number, because 42372449 - 2⁴ = 42372433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42372419) 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 15 ways as a sum of consecutive naturals, for example, 10529 + ... + 13985.

It is an arithmetic number, because the mean of its divisors is an integer number (3236688).

Almost surely, 2^42372449 is an apocalyptic number.

It is an amenable number.

42372449 is a deficient number, since it is larger than the sum of its proper divisors (9414559).

42372449 is a wasteful number, since it uses less digits than its factorization.

42372449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584.

The product of its digits is 48384, while the sum is 35.

The square root of 42372449 is about 6509.4123390672. The cubic root of 42372449 is about 348.6271363131.

The spelling of 42372449 in words is "forty-two million, three hundred seventy-two thousand, four hundred forty-nine".