42247670 has 16 divisors (see below), whose sum is σ = 76310640. Its totient is φ = 16840224.

The previous prime is 42247663. The next prime is 42247687. The reversal of 42247670 is 7674224.

42247670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280 + ... + 10139.

It is an arithmetic number, because the mean of its divisors is an integer number (4769415).

Almost surely, 2^42247670 is an apocalyptic number.

42247670 is a deficient number, since it is larger than the sum of its proper divisors (34062970).

42247670 is a wasteful number, since it uses less digits than its factorization.

42247670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14719.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 42247670 is about 6499.8207667596. The cubic root of 42247670 is about 348.2845857675.

The spelling of 42247670 in words is "forty-two million, two hundred forty-seven thousand, six hundred seventy".