69890711 has 8 divisors (see below), whose sum is σ = 77289744. Its totient is φ = 62665920.

The previous prime is 69890693. The next prime is 69890741. The reversal of 69890711 is 11709896.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69890711 is a prime.

It is a super-2 number, since 2×69890711² = 9769422968171042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69890741) 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 7 ways as a sum of consecutive naturals, for example, 42716 + ... + 44321.

It is an arithmetic number, because the mean of its divisors is an integer number (9661218).

Almost surely, 2^69890711 is an apocalyptic number.

69890711 is a deficient number, since it is larger than the sum of its proper divisors (7399033).

69890711 is a wasteful number, since it uses less digits than its factorization.

69890711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87121.

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

The square root of 69890711 is about 8360.0664471044. The cubic root of 69890711 is about 411.9139367631.

The spelling of 69890711 in words is "sixty-nine million, eight hundred ninety thousand, seven hundred eleven".