70111371 has 16 divisors (see below), whose sum is σ = 104353920. Its totient is φ = 41502720.

The previous prime is 70111361. The next prime is 70111381. The reversal of 70111371 is 17311107.

It is an interprime number because it is at equal distance from previous prime (70111361) and next prime (70111381).

It is not a de Polignac number, because 70111371 - 2⁵ = 70111339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70111351) 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, 23286 + ... + 26123.

It is an arithmetic number, because the mean of its divisors is an integer number (6522120).

Almost surely, 2^70111371 is an apocalyptic number.

70111371 is a deficient number, since it is larger than the sum of its proper divisors (34242549).

70111371 is a wasteful number, since it uses less digits than its factorization.

70111371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49466.

The product of its (nonzero) digits is 147, while the sum is 21.

The square root of 70111371 is about 8373.2533103926. The cubic root of 70111371 is about 412.3469816281.

Adding to 70111371 its reverse (17311107), we get a palindrome (87422478).

The spelling of 70111371 in words is "seventy million, one hundred eleven thousand, three hundred seventy-one".