69680961 has 48 divisors (see below), whose sum is σ = 126397440. Its totient is φ = 36067680.

The previous prime is 69680959. The next prime is 69680969. The reversal of 69680961 is 16908696.

It is not a de Polignac number, because 69680961 - 2¹ = 69680959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69680969) 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 47 ways as a sum of consecutive naturals, for example, 26266 + ... + 28796.

It is an arithmetic number, because the mean of its divisors is an integer number (2633280).

Almost surely, 2^69680961 is an apocalyptic number.

It is an amenable number.

69680961 is a deficient number, since it is larger than the sum of its proper divisors (56716479).

69680961 is a wasteful number, since it uses less digits than its factorization.

69680961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2583 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 69680961 is about 8347.5122641419. The cubic root of 69680961 is about 411.5014569431.

The spelling of 69680961 in words is "sixty-nine million, six hundred eighty thousand, nine hundred sixty-one".