68648051 has 8 divisors (see below), whose sum is σ = 69289584. Its totient is φ = 68009760.

The previous prime is 68648033. The next prime is 68648053. The reversal of 68648051 is 15084686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68648051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68647996 and 68648014.

It is not an unprimeable number, because it can be changed into a prime (68648053) 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, 62261 + ... + 63353.

It is an arithmetic number, because the mean of its divisors is an integer number (8661198).

Almost surely, 2^68648051 is an apocalyptic number.

68648051 is a deficient number, since it is larger than the sum of its proper divisors (641533).

68648051 is a wasteful number, since it uses less digits than its factorization.

68648051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 68648051 is about 8285.4119390649. The cubic root of 68648051 is about 409.4580406179.

The spelling of 68648051 in words is "sixty-eight million, six hundred forty-eight thousand, fifty-one".