67767433740 has 72 divisors (see below), whose sum is σ = 212649549840. Its totient is φ = 17448165504.

The previous prime is 67767433729. The next prime is 67767433759. The reversal of 67767433740 is 4733476776.

67767433740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6485914 + ... + 6496353.

It is an arithmetic number, because the mean of its divisors is an integer number (2953465970).

Almost surely, 2^67767433740 is an apocalyptic number.

67767433740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67767433740 is an abundant number, since it is smaller than the sum of its proper divisors (144882116100).

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

67767433740 is a wasteful number, since it uses less digits than its factorization.

67767433740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12982311 (or 12982306 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 54.

The spelling of 67767433740 in words is "sixty-seven billion, seven hundred sixty-seven million, four hundred thirty-three thousand, seven hundred forty".