69397669 has 8 divisors (see below), whose sum is σ = 76744512. Its totient is φ = 62223840.

The previous prime is 69397663. The next prime is 69397673. The reversal of 69397669 is 96679396.

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 not a de Polignac number, because 69397669 - 2⁷ = 69397541 is a prime.

It is a super-2 number, since 2×69397669² = 9632072925267122, 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 (69397663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42409 + ... + 44014.

It is an arithmetic number, because the mean of its divisors is an integer number (9593064).

Almost surely, 2^69397669 is an apocalyptic number.

It is an amenable number.

69397669 is a deficient number, since it is larger than the sum of its proper divisors (7346843).

69397669 is a wasteful number, since it uses less digits than its factorization.

69397669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86507.

The product of its digits is 3306744, while the sum is 55.

The square root of 69397669 is about 8330.5263339119. The cubic root of 69397669 is about 410.9430384609.

The spelling of 69397669 in words is "sixty-nine million, three hundred ninety-seven thousand, six hundred sixty-nine".