67749361332 has 12 divisors (see below), whose sum is σ = 158081843136. Its totient is φ = 22583120440.

The previous prime is 67749361319. The next prime is 67749361343. The reversal of 67749361332 is 23316394776.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822890044 + ... + 2822890067.

It is an arithmetic number, because the mean of its divisors is an integer number (13173486928).

Almost surely, 2^67749361332 is an apocalyptic number.

It is an amenable number.

67749361332 is an abundant number, since it is smaller than the sum of its proper divisors (90332481804).

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

67749361332 is a wasteful number, since it uses less digits than its factorization.

67749361332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645780118 (or 5645780116 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 51.

The spelling of 67749361332 in words is "sixty-seven billion, seven hundred forty-nine million, three hundred sixty-one thousand, three hundred thirty-two".