68202961 has 4 divisors (see below), whose sum is σ = 68219712. Its totient is φ = 68186212.

The previous prime is 68202947. The next prime is 68202971. The reversal of 68202961 is 16920286.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16920286 = 2 ⋅8460143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68202961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68202971) 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, 2100 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (17054928).

Almost surely, 2^68202961 is an apocalyptic number.

It is an amenable number.

68202961 is a deficient number, since it is larger than the sum of its proper divisors (16751).

68202961 is an equidigital number, since it uses as much as digits as its factorization.

68202961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16750.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 68202961 is about 8258.5084004316. The cubic root of 68202961 is about 408.5711935092.

The spelling of 68202961 in words is "sixty-eight million, two hundred two thousand, nine hundred sixty-one".