42573742 has 4 divisors (see below), whose sum is σ = 63860616. Its totient is φ = 21286870.

The previous prime is 42573721. The next prime is 42573793. The reversal of 42573742 is 24737524.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42573698 and 42573707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10643434 + ... + 10643437.

It is an arithmetic number, because the mean of its divisors is an integer number (15965154).

Almost surely, 2^42573742 is an apocalyptic number.

42573742 is a deficient number, since it is larger than the sum of its proper divisors (21286874).

42573742 is a wasteful number, since it uses less digits than its factorization.

42573742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21286873.

The product of its digits is 47040, while the sum is 34.

The square root of 42573742 is about 6524.8557072168. The cubic root of 42573742 is about 349.1783228401.

The spelling of 42573742 in words is "forty-two million, five hundred seventy-three thousand, seven hundred forty-two".