42247794 has 32 divisors (see below), whose sum is σ = 87018624. Its totient is φ = 13665920.

The previous prime is 42247789. The next prime is 42247813. The reversal of 42247794 is 49774224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64372 + ... + 65024.

It is an arithmetic number, because the mean of its divisors is an integer number (2719332).

Almost surely, 2^42247794 is an apocalyptic number.

42247794 is an abundant number, since it is smaller than the sum of its proper divisors (44770830).

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

42247794 is a wasteful number, since it uses less digits than its factorization.

42247794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962.

The product of its digits is 112896, while the sum is 39.

The square root of 42247794 is about 6499.8303054772. The cubic root of 42247794 is about 348.2849265141.

The spelling of 42247794 in words is "forty-two million, two hundred forty-seven thousand, seven hundred ninety-four".