67252777320 has 64 divisors (see below), whose sum is σ = 202070401920. Its totient is φ = 17906334464.

The previous prime is 67252777309. The next prime is 67252777357. The reversal of 67252777320 is 2377725276.

It is a self number, because there is not a number n which added to its sum of digits gives 67252777320.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 355467 + ... + 510746.

It is an arithmetic number, because the mean of its divisors is an integer number (3157350030).

Almost surely, 2^67252777320 is an apocalyptic number.

67252777320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67252777320 is an abundant number, since it is smaller than the sum of its proper divisors (134817624600).

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

67252777320 is a wasteful number, since it uses less digits than its factorization.

67252777320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866874 (or 866870 counting only the distinct ones).

The product of its (nonzero) digits is 1728720, while the sum is 48.

The spelling of 67252777320 in words is "sixty-seven billion, two hundred fifty-two million, seven hundred seventy-seven thousand, three hundred twenty".