68961445 has 8 divisors (see below), whose sum is σ = 94575744. Its totient is φ = 47287824.

The previous prime is 68961443. The next prime is 68961457. The reversal of 68961445 is 54416986.

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 68961445 - 2¹ = 68961443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68961443) 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, 985129 + ... + 985198.

It is an arithmetic number, because the mean of its divisors is an integer number (11821968).

Almost surely, 2^68961445 is an apocalyptic number.

It is an amenable number.

68961445 is a deficient number, since it is larger than the sum of its proper divisors (25614299).

68961445 is a wasteful number, since it uses less digits than its factorization.

68961445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970339.

The product of its digits is 207360, while the sum is 43.

The square root of 68961445 is about 8304.3028003560. The cubic root of 68961445 is about 410.0801845947.

The spelling of 68961445 in words is "sixty-eight million, nine hundred sixty-one thousand, four hundred forty-five".