42972708 has 24 divisors (see below), whose sum is σ = 100800000. Its totient is φ = 14248480.

The previous prime is 42972707. The next prime is 42972749. The reversal of 42972708 is 80727924.

42972708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42972703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7083 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (4200000).

Almost surely, 2^42972708 is an apocalyptic number.

It is an amenable number.

42972708 is an abundant number, since it is smaller than the sum of its proper divisors (57827292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42972708 is a wasteful number, since it uses less digits than its factorization.

42972708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18947 (or 18945 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 42972708 is about 6555.3571985057. The cubic root of 42972708 is about 350.2656703985.

It can be divided in two parts, 429 and 72708, that added together give a palindrome (73137).

The spelling of 42972708 in words is "forty-two million, nine hundred seventy-two thousand, seven hundred eight".