67725252776 has 16 divisors (see below), whose sum is σ = 131363637300. Its totient is φ = 32694949504.

The previous prime is 67725252743. The next prime is 67725252779.

67725252776 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 61441519876 + 6283732900 = 247874^2 + 79270^2 .

It is not an unprimeable number, because it can be changed into a prime (67725252779) by changing a digit.

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, 145959365 + ... + 145959828.

Almost surely, 2^67725252776 is an apocalyptic number.

It is an amenable number.

67725252776 is a deficient number, since it is larger than the sum of its proper divisors (63638384524).

67725252776 is a wasteful number, since it uses less digits than its factorization.

67725252776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291919228 (or 291919224 counting only the distinct ones).

The product of its digits is 17287200, while the sum is 56.

The spelling of 67725252776 in words is "sixty-seven billion, seven hundred twenty-five million, two hundred fifty-two thousand, seven hundred seventy-six".