42403470 has 16 divisors (see below), whose sum is σ = 101768400. Its totient is φ = 11307584.

The previous prime is 42403469. The next prime is 42403499. The reversal of 42403470 is 7430424.

It is a self number, because there is not a number n which added to its sum of digits gives 42403470.

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 7 ways as a sum of consecutive naturals, for example, 706695 + ... + 706754.

It is an arithmetic number, because the mean of its divisors is an integer number (6360525).

Almost surely, 2^42403470 is an apocalyptic number.

42403470 is an abundant number, since it is smaller than the sum of its proper divisors (59364930).

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

42403470 is a wasteful number, since it uses less digits than its factorization.

42403470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413459.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42403470 is about 6511.7946834955. The cubic root of 42403470 is about 348.7121925588.

Adding to 42403470 its reverse (7430424), we get a palindrome (49833894).

The spelling of 42403470 in words is "forty-two million, four hundred three thousand, four hundred seventy".