42670503 has 16 divisors (see below), whose sum is σ = 64108800. Its totient is φ = 28045080.

The previous prime is 42670489. The next prime is 42670519. The reversal of 42670503 is 30507624.

It is a happy number.

42670503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42670503 - 2⁴ = 42670487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42670553) by changing a digit.

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, 9213 + ... + 13046.

It is an arithmetic number, because the mean of its divisors is an integer number (4006800).

Almost surely, 2^42670503 is an apocalyptic number.

42670503 is a deficient number, since it is larger than the sum of its proper divisors (21438297).

42670503 is a wasteful number, since it uses less digits than its factorization.

42670503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22339 (or 22333 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 42670503 is about 6532.2662989195. The cubic root of 42670503 is about 349.4426585364.

The spelling of 42670503 in words is "forty-two million, six hundred seventy thousand, five hundred three".