42324981 has 8 divisors (see below), whose sum is σ = 56771904. Its totient is φ = 28047360.

The previous prime is 42324977. The next prime is 42324983. The reversal of 42324981 is 18942324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42324981 - 2² = 42324977 is a prime.

It is a super-2 number, since 2×42324981² = 3582808033300722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42324983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41740 + ... + 42741.

It is an arithmetic number, because the mean of its divisors is an integer number (7096488).

Almost surely, 2^42324981 is an apocalyptic number.

It is an amenable number.

42324981 is a deficient number, since it is larger than the sum of its proper divisors (14446923).

42324981 is a wasteful number, since it uses less digits than its factorization.

42324981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84651.

The product of its digits is 13824, while the sum is 33.

The square root of 42324981 is about 6505.7652124865. The cubic root of 42324981 is about 348.4969037625.

The spelling of 42324981 in words is "forty-two million, three hundred twenty-four thousand, nine hundred eighty-one".