68154884 has 18 divisors (see below), whose sum is σ = 138744270. Its totient is φ = 29209152.

The previous prime is 68154859. The next prime is 68154893. The reversal of 68154884 is 48845186.

It can be written as a sum of positive squares in only one way, i.e., 56100100 + 12054784 = 7490^2 + 3472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173669 + ... + 174060.

It is an arithmetic number, because the mean of its divisors is an integer number (7708015).

Almost surely, 2^68154884 is an apocalyptic number.

It is an amenable number.

68154884 is an abundant number, since it is smaller than the sum of its proper divisors (70589386).

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

68154884 is a wasteful number, since it uses less digits than its factorization.

68154884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347747 (or 347738 counting only the distinct ones).

The product of its digits is 245760, while the sum is 44.

The square root of 68154884 is about 8255.5971316435. The cubic root of 68154884 is about 408.4751688680.

The spelling of 68154884 in words is "sixty-eight million, one hundred fifty-four thousand, eight hundred eighty-four".