70187117 has 16 divisors (see below), whose sum is σ = 94238592. Its totient is φ = 50483520.

The previous prime is 70187081. The next prime is 70187147. The reversal of 70187117 is 71178107.

It is a cyclic number.

It is not a de Polignac number, because 70187117 - 2⁸ = 70186861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70187147) 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, 34058 + ... + 36059.

It is an arithmetic number, because the mean of its divisors is an integer number (5889912).

Almost surely, 2^70187117 is an apocalyptic number.

70187117 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

70187117 is a deficient number, since it is larger than the sum of its proper divisors (24051475).

70187117 is a wasteful number, since it uses less digits than its factorization.

70187117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70148.

The product of its (nonzero) digits is 2744, while the sum is 32.

The square root of 70187117 is about 8377.7751819919. The cubic root of 70187117 is about 412.4954235182.

The spelling of 70187117 in words is "seventy million, one hundred eighty-seven thousand, one hundred seventeen".