42974742 has 32 divisors (see below), whose sum is σ = 93947904. Its totient is φ = 13046400.

The previous prime is 42974719. The next prime is 42974747. The reversal of 42974742 is 24747924.

It is a self number, because there is not a number n which added to its sum of digits gives 42974742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42974747) 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, 3634 + ... + 9957.

It is an arithmetic number, because the mean of its divisors is an integer number (2935872).

Almost surely, 2^42974742 is an apocalyptic number.

42974742 is an abundant number, since it is smaller than the sum of its proper divisors (50973162).

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

42974742 is a wasteful number, since it uses less digits than its factorization.

42974742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13644.

The product of its digits is 112896, while the sum is 39.

The square root of 42974742 is about 6555.5123369573. The cubic root of 42974742 is about 350.2711966124.

The spelling of 42974742 in words is "forty-two million, nine hundred seventy-four thousand, seven hundred forty-two".