69890713 has 4 divisors (see below), whose sum is σ = 69914880. Its totient is φ = 69866548.

The previous prime is 69890693. The next prime is 69890741. The reversal of 69890713 is 31709896.

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 not a de Polignac number, because 69890713 - 2¹³ = 69882521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69890713.

It is not an unprimeable number, because it can be changed into a prime (69896713) 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, 7045 + ... + 13762.

It is an arithmetic number, because the mean of its divisors is an integer number (17478720).

Almost surely, 2^69890713 is an apocalyptic number.

It is an amenable number.

69890713 is a deficient number, since it is larger than the sum of its proper divisors (24167).

69890713 is a wasteful number, since it uses less digits than its factorization.

69890713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24166.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 69890713 is about 8360.0665667206. The cubic root of 69890713 is about 411.9139406922.

The spelling of 69890713 in words is "sixty-nine million, eight hundred ninety thousand, seven hundred thirteen".