70112287 has 16 divisors (see below), whose sum is σ = 82944000. Its totient is φ = 59229240.

The previous prime is 70112249. The next prime is 70112293. The reversal of 70112287 is 78221107.

It is not a de Polignac number, because 70112287 - 2¹¹ = 70110239 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 (70112087) 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, 22914 + ... + 25792.

It is an arithmetic number, because the mean of its divisors is an integer number (5184000).

Almost surely, 2^70112287 is an apocalyptic number.

70112287 is a deficient number, since it is larger than the sum of its proper divisors (12831713).

70112287 is an equidigital number, since it uses as much as digits as its factorization.

70112287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 70112287 is about 8373.3080081889. The cubic root of 70112287 is about 412.3487773815.

The spelling of 70112287 in words is "seventy million, one hundred twelve thousand, two hundred eighty-seven".