67760551 has 2 divisors, whose sum is σ = 67760552. Its totient is φ = 67760550.

The previous prime is 67760549. The next prime is 67760573. The reversal of 67760551 is 15506776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67760551 - 2¹ = 67760549 is a prime.

It is a super-3 number, since 3×67760551³ (a number of 24 digits) contains 333 as substring.

Together with 67760549, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 67760551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67760531) 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 as a sum of consecutive naturals, namely, 33880275 + 33880276.

It is an arithmetic number, because the mean of its divisors is an integer number (33880276).

Almost surely, 2^67760551 is an apocalyptic number.

67760551 is a deficient number, since it is larger than the sum of its proper divisors (1).

67760551 is an equidigital number, since it uses as much as digits as its factorization.

67760551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 67760551 is about 8231.6797192311. The cubic root of 67760551 is about 407.6858544743.

The spelling of 67760551 in words is "sixty-seven million, seven hundred sixty thousand, five hundred fifty-one".