42287272 has 16 divisors (see below), whose sum is σ = 79358400. Its totient is φ = 21125040.

The previous prime is 42287261. The next prime is 42287281. The reversal of 42287272 is 27278224.

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, 14497 + ... + 17167.

It is an arithmetic number, because the mean of its divisors is an integer number (4959900).

Almost surely, 2^42287272 is an apocalyptic number.

It is an amenable number.

42287272 is a deficient number, since it is larger than the sum of its proper divisors (37071128).

42287272 is a wasteful number, since it uses less digits than its factorization.

42287272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656 (or 4652 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The square root of 42287272 is about 6502.8664448841. The cubic root of 42287272 is about 348.3933764514.

The spelling of 42287272 in words is "forty-two million, two hundred eighty-seven thousand, two hundred seventy-two".