70111903 has 4 divisors (see below), whose sum is σ = 70148520. Its totient is φ = 70075288.

The previous prime is 70111871. The next prime is 70111907. The reversal of 70111903 is 30911107.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70111903 - 2⁵ = 70111871 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 (70111907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15268 + ... + 19321.

It is an arithmetic number, because the mean of its divisors is an integer number (17537130).

Almost surely, 2^70111903 is an apocalyptic number.

70111903 is a deficient number, since it is larger than the sum of its proper divisors (36617).

70111903 is a wasteful number, since it uses less digits than its factorization.

70111903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36616.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 70111903 is about 8373.2850781518. The cubic root of 70111903 is about 412.3480245785.

The spelling of 70111903 in words is "seventy million, one hundred eleven thousand, nine hundred three".