70055089 has 4 divisors (see below), whose sum is σ = 75443956. Its totient is φ = 64666224.

The previous prime is 70055077. The next prime is 70055093. The reversal of 70055089 is 98055007.

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 9090225 + 60964864 = 3015^2 + 7808^2 .

It is a cyclic number.

It is not a de Polignac number, because 70055089 - 2⁵ = 70055057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70055059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2694414 + ... + 2694439.

It is an arithmetic number, because the mean of its divisors is an integer number (18860989).

Almost surely, 2^70055089 is an apocalyptic number.

It is an amenable number.

70055089 is a deficient number, since it is larger than the sum of its proper divisors (5388867).

70055089 is a wasteful number, since it uses less digits than its factorization.

70055089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388866.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 70055089 is about 8369.8918153104. The cubic root of 70055089 is about 412.2366147206.

The spelling of 70055089 in words is "seventy million, fifty-five thousand, eighty-nine".