42247272 has 32 divisors (see below), whose sum is σ = 107110080. Its totient is φ = 13883520.

The previous prime is 42247267. The next prime is 42247273. The reversal of 42247272 is 27274224.

42247272 is a modest number, since divided by 7272 gives 4224 as remainder.

It is not an unprimeable number, because it can be changed into a prime (42247273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10693 + ... + 14100.

It is an arithmetic number, because the mean of its divisors is an integer number (3347190).

Almost surely, 2^42247272 is an apocalyptic number.

It is an amenable number.

42247272 is an abundant number, since it is smaller than the sum of its proper divisors (64862808).

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

42247272 is a wasteful number, since it uses less digits than its factorization.

42247272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24873 (or 24869 counting only the distinct ones).

The product of its digits is 12544, while the sum is 30.

The square root of 42247272 is about 6499.7901504587. The cubic root of 42247272 is about 348.2834920764.

The spelling of 42247272 in words is "forty-two million, two hundred forty-seven thousand, two hundred seventy-two".