69706089 has 10 divisors (see below), whose sum is σ = 104128970. Its totient is φ = 46470672.

The previous prime is 69706067. The next prime is 69706093. The reversal of 69706089 is 98060796.

It can be written as a sum of positive squares in only one way, i.e., 56746089 + 12960000 = 7533^2 + 3600^2 .

It is not a de Polignac number, because 69706089 - 2⁵ = 69706057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69716089) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 430204 + ... + 430365.

It is an arithmetic number, because the mean of its divisors is an integer number (10412897).

Almost surely, 2^69706089 is an apocalyptic number.

It is an amenable number.

69706089 is a deficient number, since it is larger than the sum of its proper divisors (34422881).

69706089 is an equidigital number, since it uses as much as digits as its factorization.

69706089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860581 (or 860572 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 69706089 is about 8349.0172475567. The cubic root of 69706089 is about 411.5509155316.

The spelling of 69706089 in words is "sixty-nine million, seven hundred six thousand, eighty-nine".