67235306775 has 48 divisors (see below), whose sum is σ = 136815243264. Its totient is φ = 28371818880.

The previous prime is 67235306759. The next prime is 67235306779. The reversal of 67235306775 is 57760353276.

67235306775 = 19514² + 19515² + ... + 19688².

It is a happy number.

It is not a de Polignac number, because 67235306775 - 2⁴ = 67235306759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67235306779) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4918839 + ... + 4932488.

It is an arithmetic number, because the mean of its divisors is an integer number (2850317568).

Almost surely, 2^67235306775 is an apocalyptic number.

67235306775 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

67235306775 is an abundant number, since it is smaller than the sum of its proper divisors (69579936489).

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

67235306775 is a wasteful number, since it uses less digits than its factorization.

67235306775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851360 (or 9851355 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 51.

The spelling of 67235306775 in words is "sixty-seven billion, two hundred thirty-five million, three hundred six thousand, seven hundred seventy-five".