70177009 has 4 divisors (see below), whose sum is σ = 80202304. Its totient is φ = 60151716.

The previous prime is 70177001. The next prime is 70177033. The reversal of 70177009 is 90077107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90077107 = 311 ⋅289637.

It is a cyclic number.

It is not a de Polignac number, because 70177009 - 2³ = 70177001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70177001) 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, 5012637 + ... + 5012650.

It is an arithmetic number, because the mean of its divisors is an integer number (20050576).

Almost surely, 2^70177009 is an apocalyptic number.

It is an amenable number.

70177009 is a deficient number, since it is larger than the sum of its proper divisors (10025295).

70177009 is a wasteful number, since it uses less digits than its factorization.

70177009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025294.

The product of its (nonzero) digits is 3087, while the sum is 31.

The square root of 70177009 is about 8377.1718974843. The cubic root of 70177009 is about 412.4756207202.

The spelling of 70177009 in words is "seventy million, one hundred seventy-seven thousand, nine".