42339272 has 16 divisors (see below), whose sum is σ = 79482060. Its totient is φ = 21144064.

The previous prime is 42339263. The next prime is 42339281. The reversal of 42339272 is 27293324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42339263) and next prime (42339281).

It can be written as a sum of positive squares in 2 ways, for example, as 42328036 + 11236 = 6506^2 + 106^2 .

It is a super-2 number, since 2×42339272² = 3585227906979968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5108 + ... + 10524.

Almost surely, 2^42339272 is an apocalyptic number.

It is an amenable number.

42339272 is a deficient number, since it is larger than the sum of its proper divisors (37142788).

42339272 is a wasteful number, since it uses less digits than its factorization.

42339272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400 (or 6396 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 42339272 is about 6506.8634533084. The cubic root of 42339272 is about 348.5361225934.

The spelling of 42339272 in words is "forty-two million, three hundred thirty-nine thousand, two hundred seventy-two".