70117225 has 24 divisors (see below), whose sum is σ = 91333440. Its totient is φ = 53296320.

The previous prime is 70117217. The next prime is 70117237. The reversal of 70117225 is 52271107.

It is a happy number.

It is not a de Polignac number, because 70117225 - 2³ = 70117217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 70117225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112966 + ... + 113584.

It is an arithmetic number, because the mean of its divisors is an integer number (3805560).

Almost surely, 2^70117225 is an apocalyptic number.

It is an amenable number.

70117225 is a deficient number, since it is larger than the sum of its proper divisors (21216215).

70117225 is a wasteful number, since it uses less digits than its factorization.

70117225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 70117225 is about 8373.6028685387. The cubic root of 70117225 is about 412.3584577126.

The spelling of 70117225 in words is "seventy million, one hundred seventeen thousand, two hundred twenty-five".