68961045 has 16 divisors (see below), whose sum is σ = 110664000. Its totient is φ = 36670464.

The previous prime is 68961041. The next prime is 68961047. The reversal of 68961045 is 54016986.

It is not a de Polignac number, because 68961045 - 2² = 68961041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68960994 and 68961012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68961041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (6916500).

Almost surely, 2^68961045 is an apocalyptic number.

It is an amenable number.

68961045 is a deficient number, since it is larger than the sum of its proper divisors (41702955).

68961045 is a wasteful number, since it uses less digits than its factorization.

68961045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 68961045 is about 8304.2787164208. The cubic root of 68961045 is about 410.0793917247.

The spelling of 68961045 in words is "sixty-eight million, nine hundred sixty-one thousand, forty-five".