68955147 has 12 divisors (see below), whose sum is σ = 99674224. Its totient is φ = 45936720.

The previous prime is 68955121. The next prime is 68955149. The reversal of 68955147 is 74155986.

It is not a de Polignac number, because 68955147 - 2⁸ = 68954891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68955149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20997 + ... + 24057.

Almost surely, 2^68955147 is an apocalyptic number.

68955147 is a deficient number, since it is larger than the sum of its proper divisors (30719077).

68955147 is a wasteful number, since it uses less digits than its factorization.

68955147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570 (or 5567 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 68955147 is about 8303.9235906889. The cubic root of 68955147 is about 410.0677005000.

The spelling of 68955147 in words is "sixty-eight million, nine hundred fifty-five thousand, one hundred forty-seven".