69994897 has 4 divisors (see below), whose sum is σ = 79994176. Its totient is φ = 59995620.

The previous prime is 69994889. The next prime is 69994921. The reversal of 69994897 is 79849996.

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 69994897 - 2³ = 69994889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69994817) 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, 4999629 + ... + 4999642.

It is an arithmetic number, because the mean of its divisors is an integer number (19998544).

Almost surely, 2^69994897 is an apocalyptic number.

It is an amenable number.

69994897 is a deficient number, since it is larger than the sum of its proper divisors (9999279).

69994897 is an equidigital number, since it uses as much as digits as its factorization.

69994897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999278.

The product of its digits is 8817984, while the sum is 61.

The square root of 69994897 is about 8366.2952972029. The cubic root of 69994897 is about 412.1185150142.

The spelling of 69994897 in words is "sixty-nine million, nine hundred ninety-four thousand, eight hundred ninety-seven".