42703405 has 8 divisors (see below), whose sum is σ = 54258552. Its totient is φ = 32153088.

The previous prime is 42703363. The next prime is 42703411. The reversal of 42703405 is 50430724.

42703405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10588516 + 32114889 = 3254^2 + 5667^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42703405 - 2⁷ = 42703277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42703405.

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, 251112 + ... + 251281.

It is an arithmetic number, because the mean of its divisors is an integer number (6782319).

Almost surely, 2^42703405 is an apocalyptic number.

It is an amenable number.

42703405 is a deficient number, since it is larger than the sum of its proper divisors (11555147).

42703405 is a wasteful number, since it uses less digits than its factorization.

42703405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502415.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42703405 is about 6534.7842351527. The cubic root of 42703405 is about 349.5324505295.

The spelling of 42703405 in words is "forty-two million, seven hundred three thousand, four hundred five".