68649054 has 16 divisors (see below), whose sum is σ = 139179792. Its totient is φ = 22569408.

The previous prime is 68649019. The next prime is 68649059. The reversal of 68649054 is 45094686.

It is a junction number, because it is equal to n+sod(n) for n = 68648997 and 68649015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68649059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77929 + ... + 78804.

It is an arithmetic number, because the mean of its divisors is an integer number (8698737).

Almost surely, 2^68649054 is an apocalyptic number.

68649054 is an abundant number, since it is smaller than the sum of its proper divisors (70530738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68649054 is a wasteful number, since it uses less digits than its factorization.

68649054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156811.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 68649054 is about 8285.4724669146. The cubic root of 68649054 is about 409.4600347722.

The spelling of 68649054 in words is "sixty-eight million, six hundred forty-nine thousand, fifty-four".