69490266 has 8 divisors (see below), whose sum is σ = 138980544. Its totient is φ = 23163420.

The previous prime is 69490247. The next prime is 69490283. The reversal of 69490266 is 66209496.

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

69490266 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5790850 + ... + 5790861.

It is an arithmetic number, because the mean of its divisors is an integer number (17372568).

Almost surely, 2^69490266 is an apocalyptic number.

69490266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69490266 is a wasteful number, since it uses less digits than its factorization.

69490266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581716.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 69490266 is about 8336.0821732994. The cubic root of 69490266 is about 411.1257303840.

The spelling of 69490266 in words is "sixty-nine million, four hundred ninety thousand, two hundred sixty-six".