42798972 has 48 divisors (see below), whose sum is σ = 104179712. Its totient is φ = 13659840.

The previous prime is 42798971. The next prime is 42798991. The reversal of 42798972 is 27989724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42798971) 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, 37758 + ... + 38874.

Almost surely, 2^42798972 is an apocalyptic number.

It is an amenable number.

42798972 is an abundant number, since it is smaller than the sum of its proper divisors (61380740).

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

42798972 is a wasteful number, since it uses less digits than its factorization.

42798972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1256 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 42798972 is about 6542.0923258542. The cubic root of 42798972 is about 349.7929986853.

It can be divided in two parts, 427 and 98972, that added together give a palindrome (99399).

The spelling of 42798972 in words is "forty-two million, seven hundred ninety-eight thousand, nine hundred seventy-two".