42872288 has 12 divisors (see below), whose sum is σ = 84404880. Its totient is φ = 21436128.

The previous prime is 42872281. The next prime is 42872293. The reversal of 42872288 is 88227824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42872281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669848 + ... + 669911.

It is an arithmetic number, because the mean of its divisors is an integer number (7033740).

Almost surely, 2^42872288 is an apocalyptic number.

It is an amenable number.

42872288 is a deficient number, since it is larger than the sum of its proper divisors (41532592).

42872288 is a wasteful number, since it uses less digits than its factorization.

42872288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339769 (or 1339761 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The square root of 42872288 is about 6547.6933342972. The cubic root of 42872288 is about 349.9926202526.

The spelling of 42872288 in words is "forty-two million, eight hundred seventy-two thousand, two hundred eighty-eight".