42403270 has 64 divisors (see below), whose sum is σ = 99501696. Its totient is φ = 12625920.

The previous prime is 42403261. The next prime is 42403297. The reversal of 42403270 is 7230424.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 14100 + ... + 16840.

It is an arithmetic number, because the mean of its divisors is an integer number (1554714).

Almost surely, 2^42403270 is an apocalyptic number.

42403270 is an abundant number, since it is smaller than the sum of its proper divisors (57098426).

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

42403270 is a wasteful number, since it uses less digits than its factorization.

42403270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42403270 is about 6511.7793267278. The cubic root of 42403270 is about 348.7116443132.

Adding to 42403270 its reverse (7230424), we get a palindrome (49633694).

The spelling of 42403270 in words is "forty-two million, four hundred three thousand, two hundred seventy".