42253746 has 8 divisors (see below), whose sum is σ = 84507504. Its totient is φ = 14084580.

The previous prime is 42253727. The next prime is 42253753. The reversal of 42253746 is 64735224.

42253746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

42253746 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 3521140 + ... + 3521151.

It is an arithmetic number, because the mean of its divisors is an integer number (10563438).

Almost surely, 2^42253746 is an apocalyptic number.

42253746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42253746 is a wasteful number, since it uses less digits than its factorization.

42253746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042296.

The product of its digits is 40320, while the sum is 33.

The square root of 42253746 is about 6500.2881474593. The cubic root of 42253746 is about 348.3012815656.

The spelling of 42253746 in words is "forty-two million, two hundred fifty-three thousand, seven hundred forty-six".