67425768 has 24 divisors (see below), whose sum is σ = 182611650. Its totient is φ = 22475232.

The previous prime is 67425739. The next prime is 67425769. The reversal of 67425768 is 86752476.

67425768 is a `hidden beast` number, since 6 + 74 + 2 + 576 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40985604 + 26440164 = 6402^2 + 5142^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (67425769) 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 5 ways as a sum of consecutive naturals, for example, 468163 + ... + 468306.

Almost surely, 2^67425768 is an apocalyptic number.

It is an amenable number.

67425768 is an abundant number, since it is smaller than the sum of its proper divisors (115185882).

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

67425768 is a wasteful number, since it uses less digits than its factorization.

67425768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936481 (or 936474 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 67425768 is about 8211.3195041966. The cubic root of 67425768 is about 407.0133309649.

The spelling of 67425768 in words is "sixty-seven million, four hundred twenty-five thousand, seven hundred sixty-eight".