68678454 has 32 divisors (see below), whose sum is σ = 152699904. Its totient is φ = 20449440.

The previous prime is 68678429. The next prime is 68678461. The reversal of 68678454 is 45487686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11784 + ... + 16619.

It is an arithmetic number, because the mean of its divisors is an integer number (4771872).

Almost surely, 2^68678454 is an apocalyptic number.

68678454 is an abundant number, since it is smaller than the sum of its proper divisors (84021450).

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

68678454 is a wasteful number, since it uses less digits than its factorization.

68678454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28452.

The product of its digits is 1290240, while the sum is 48.

The square root of 68678454 is about 8287.2464667102. The cubic root of 68678454 is about 409.5184789227.

The spelling of 68678454 in words is "sixty-eight million, six hundred seventy-eight thousand, four hundred fifty-four".