42597872 has 20 divisors (see below), whose sum is σ = 82724616. Its totient is φ = 21249600.

The previous prime is 42597871. The next prime is 42597889. The reversal of 42597872 is 27879524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42597871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4622 + ... + 10322.

Almost surely, 2^42597872 is an apocalyptic number.

It is an amenable number.

42597872 is a deficient number, since it is larger than the sum of its proper divisors (40126744).

42597872 is a wasteful number, since it uses less digits than its factorization.

42597872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176 (or 6170 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 42597872 is about 6526.7045283206. The cubic root of 42597872 is about 349.2442796263.

The spelling of 42597872 in words is "forty-two million, five hundred ninety-seven thousand, eight hundred seventy-two".