70189169 has 4 divisors (see below), whose sum is σ = 73240896. Its totient is φ = 67137444.

The previous prime is 70189151. The next prime is 70189213. The reversal of 70189169 is 96198107.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70189169 is a prime.

It is a super-2 number, since 2×70189169² = 9853038889821122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70189129) 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, 1525829 + ... + 1525874.

It is an arithmetic number, because the mean of its divisors is an integer number (18310224).

Almost surely, 2^70189169 is an apocalyptic number.

It is an amenable number.

70189169 is a deficient number, since it is larger than the sum of its proper divisors (3051727).

70189169 is a wasteful number, since it uses less digits than its factorization.

70189169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051726.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 70189169 is about 8377.8976479783. The cubic root of 70189169 is about 412.4994434030.

The spelling of 70189169 in words is "seventy million, one hundred eighty-nine thousand, one hundred sixty-nine".