42648287 has 8 divisors (see below), whose sum is σ = 46761600. Its totient is φ = 38574360.

The previous prime is 42648271. The next prime is 42648301. The reversal of 42648287 is 78284624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42648287 - 2⁴ = 42648271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42648227) 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, 7553 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (5845200).

Almost surely, 2^42648287 is an apocalyptic number.

42648287 is a deficient number, since it is larger than the sum of its proper divisors (4113313).

42648287 is a wasteful number, since it uses less digits than its factorization.

42648287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19693.

The product of its digits is 172032, while the sum is 41.

The square root of 42648287 is about 6530.5655957199. The cubic root of 42648287 is about 349.3820033201.

The spelling of 42648287 in words is "forty-two million, six hundred forty-eight thousand, two hundred eighty-seven".