42641972 has 12 divisors (see below), whose sum is σ = 76211520. Its totient is φ = 20867256.

The previous prime is 42641969. The next prime is 42641981. The reversal of 42641972 is 27914624.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 113222 + ... + 113597.

It is an arithmetic number, because the mean of its divisors is an integer number (6350960).

Almost surely, 2^42641972 is an apocalyptic number.

It is an amenable number.

42641972 is a deficient number, since it is larger than the sum of its proper divisors (33569548).

42641972 is a wasteful number, since it uses less digits than its factorization.

42641972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226870 (or 226868 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 42641972 is about 6530.0820821794. The cubic root of 42641972 is about 349.3647579517.

The spelling of 42641972 in words is "forty-two million, six hundred forty-one thousand, nine hundred seventy-two".