42324447 has 16 divisors (see below), whose sum is σ = 61729920. Its totient is φ = 25581600.

The previous prime is 42324431. The next prime is 42324479. The reversal of 42324447 is 74442324.

It is a happy number.

It is not a de Polignac number, because 42324447 - 2⁴ = 42324431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42324047) 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, 12297 + ... + 15357.

It is an arithmetic number, because the mean of its divisors is an integer number (3858120).

Almost surely, 2^42324447 is an apocalyptic number.

42324447 is a deficient number, since it is larger than the sum of its proper divisors (19405473).

42324447 is a wasteful number, since it uses less digits than its factorization.

42324447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494.

The product of its digits is 21504, while the sum is 30.

The square root of 42324447 is about 6505.7241718351. The cubic root of 42324447 is about 348.4954381338.

The spelling of 42324447 in words is "forty-two million, three hundred twenty-four thousand, four hundred forty-seven".