67760731764 has 72 divisors (see below), whose sum is σ = 193775950368. Its totient is φ = 20533551840.

The previous prime is 67760731751. The next prime is 67760731771. The reversal of 67760731764 is 46713706776.

It is a super-3 number, since 3×67760731764³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 67760731764.

It is a congruent number.

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, 3158067 + ... + 3179450.

It is an arithmetic number, because the mean of its divisors is an integer number (2691332644).

Almost surely, 2^67760731764 is an apocalyptic number.

It is an amenable number.

67760731764 is an abundant number, since it is smaller than the sum of its proper divisors (126015218604).

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

67760731764 is a wasteful number, since it uses less digits than its factorization.

67760731764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337547 (or 6337533 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 54.

The spelling of 67760731764 in words is "sixty-seven billion, seven hundred sixty million, seven hundred thirty-one thousand, seven hundred sixty-four".