42403347 has 12 divisors (see below), whose sum is σ = 69999280. Its totient is φ = 24230448.

The previous prime is 42403343. The next prime is 42403379. The reversal of 42403347 is 74330424.

It is not a de Polignac number, because 42403347 - 2² = 42403343 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 42403347.

It is not an unprimeable number, because it can be changed into a prime (42403343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336472 + ... + 336597.

Almost surely, 2^42403347 is an apocalyptic number.

42403347 is a deficient number, since it is larger than the sum of its proper divisors (27595933).

42403347 is a wasteful number, since it uses less digits than its factorization.

42403347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673082 (or 673079 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 42403347 is about 6511.7852390877. The cubic root of 42403347 is about 348.7118553879.

The spelling of 42403347 in words is "forty-two million, four hundred three thousand, three hundred forty-seven".