42253670 has 32 divisors (see below), whose sum is σ = 81000000. Its totient is φ = 15814656.

The previous prime is 42253669. The next prime is 42253681. The reversal of 42253670 is 7635224.

42253670 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 15 ways as a sum of consecutive naturals, for example, 33206 + ... + 34454.

It is an arithmetic number, because the mean of its divisors is an integer number (2531250).

Almost surely, 2^42253670 is an apocalyptic number.

42253670 is a deficient number, since it is larger than the sum of its proper divisors (38746330).

42253670 is a wasteful number, since it uses less digits than its factorization.

42253670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 42253670 is about 6500.2823015620. The cubic root of 42253670 is about 348.3010727406.

Adding to 42253670 its reverse (7635224), we get a palindrome (49888894).

The spelling of 42253670 in words is "forty-two million, two hundred fifty-three thousand, six hundred seventy".