70116389 has 16 divisors (see below), whose sum is σ = 84089856. Its totient is φ = 57196800.

The previous prime is 70116379. The next prime is 70116401. The reversal of 70116389 is 98361107.

It is a cyclic number.

It is not a de Polignac number, because 70116389 - 2⁸ = 70116133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70116379) 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, 10589 + ... + 15885.

It is an arithmetic number, because the mean of its divisors is an integer number (5255616).

Almost surely, 2^70116389 is an apocalyptic number.

It is an amenable number.

70116389 is a deficient number, since it is larger than the sum of its proper divisors (13973467).

70116389 is a wasteful number, since it uses less digits than its factorization.

70116389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 70116389 is about 8373.5529496146. The cubic root of 70116389 is about 412.3568188712.

The spelling of 70116389 in words is "seventy million, one hundred sixteen thousand, three hundred eighty-nine".