70994173 has 4 divisors (see below), whose sum is σ = 71386588. Its totient is φ = 70601760.

The previous prime is 70994167. The next prime is 70994177. The reversal of 70994173 is 37149907.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24235929 + 46758244 = 4923^2 + 6838^2 .

It is a cyclic number.

It is not a de Polignac number, because 70994173 - 2⁹ = 70993661 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 (70994177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195936 + ... + 196297.

It is an arithmetic number, because the mean of its divisors is an integer number (17846647).

Almost surely, 2^70994173 is an apocalyptic number.

It is an amenable number.

70994173 is a deficient number, since it is larger than the sum of its proper divisors (392415).

70994173 is a wasteful number, since it uses less digits than its factorization.

70994173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392414.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 70994173 is about 8425.8039972456. The cubic root of 70994173 is about 414.0704466770.

The spelling of 70994173 in words is "seventy million, nine hundred ninety-four thousand, one hundred seventy-three".