68955445 has 16 divisors (see below), whose sum is σ = 91187712. Its totient is φ = 49734720.

The previous prime is 68955443. The next prime is 68955463. The reversal of 68955445 is 54455986.

It is not a de Polignac number, because 68955445 - 2¹ = 68955443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68955395 and 68955404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68955443) 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, 9541 + ... + 15130.

It is an arithmetic number, because the mean of its divisors is an integer number (5699232).

Almost surely, 2^68955445 is an apocalyptic number.

68955445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68955445 is a deficient number, since it is larger than the sum of its proper divisors (22232267).

68955445 is a wasteful number, since it uses less digits than its factorization.

68955445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24732.

The product of its digits is 864000, while the sum is 46.

The square root of 68955445 is about 8303.9415339946. The cubic root of 68955445 is about 410.0682912222.

The spelling of 68955445 in words is "sixty-eight million, nine hundred fifty-five thousand, four hundred forty-five".