67485451 has 6 divisors (see below), whose sum is σ = 74178356. Its totient is φ = 61350300.

The previous prime is 67485449. The next prime is 67485463. The reversal of 67485451 is 15458476.

It is not a de Polignac number, because 67485451 - 2¹ = 67485449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67485251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278745 + ... + 278986.

Almost surely, 2^67485451 is an apocalyptic number.

67485451 is a deficient number, since it is larger than the sum of its proper divisors (6692905).

67485451 is a wasteful number, since it uses less digits than its factorization.

67485451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557753 (or 557742 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 67485451 is about 8214.9528909179. The cubic root of 67485451 is about 407.1333870080.

The spelling of 67485451 in words is "sixty-seven million, four hundred eighty-five thousand, four hundred fifty-one".