67454751904 has 24 divisors (see below), whose sum is σ = 135307235700. Its totient is φ = 33091009536.

The previous prime is 67454751893. The next prime is 67454751913. The reversal of 67454751904 is 40915745476.

It can be written as a sum of positive squares in 2 ways, for example, as 66694095504 + 760656400 = 258252^2 + 27580^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19884729 + ... + 19888120.

Almost surely, 2^67454751904 is an apocalyptic number.

It is an amenable number.

67454751904 is an abundant number, since it is smaller than the sum of its proper divisors (67852483796).

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

67454751904 is a wasteful number, since it uses less digits than its factorization.

67454751904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39772912 (or 39772904 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 67454751904 in words is "sixty-seven billion, four hundred fifty-four million, seven hundred fifty-one thousand, nine hundred four".