42670903 has 16 divisors (see below), whose sum is σ = 49818240. Its totient is φ = 36136800.

The previous prime is 42670897. The next prime is 42670907. The reversal of 42670903 is 30907624.

It is a cyclic number.

It is not a de Polignac number, because 42670903 - 2⁵ = 42670871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42670907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11076 + ... + 14422.

It is an arithmetic number, because the mean of its divisors is an integer number (3113640).

Almost surely, 2^42670903 is an apocalyptic number.

42670903 is a deficient number, since it is larger than the sum of its proper divisors (7147337).

42670903 is a wasteful number, since it uses less digits than its factorization.

42670903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 42670903 is about 6532.2969160931. The cubic root of 42670903 is about 349.4437504432.

The spelling of 42670903 in words is "forty-two million, six hundred seventy thousand, nine hundred three".