67125766 has 8 divisors (see below), whose sum is σ = 100724400. Its totient is φ = 33550968.

The previous prime is 67125761. The next prime is 67125769. The reversal of 67125766 is 66752176.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×67125766² = 9011736922173512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67125761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5460 + ... + 12808.

It is an arithmetic number, because the mean of its divisors is an integer number (12590550).

Almost surely, 2^67125766 is an apocalyptic number.

67125766 is a deficient number, since it is larger than the sum of its proper divisors (33598634).

67125766 is a wasteful number, since it uses less digits than its factorization.

67125766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918.

The product of its digits is 105840, while the sum is 40.

The square root of 67125766 is about 8193.0315512635. The cubic root of 67125766 is about 406.4087828705.

The spelling of 67125766 in words is "sixty-seven million, one hundred twenty-five thousand, seven hundred sixty-six".