67037676672 has 128 divisors (see below), whose sum is σ = 184506984000. Its totient is φ = 21552287744.

The previous prime is 67037676599. The next prime is 67037676697. The reversal of 67037676672 is 27667673076.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×67037676672² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172854 + ... + 1228682.

Almost surely, 2^67037676672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67037676672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92253492000).

67037676672 is an abundant number, since it is smaller than the sum of its proper divisors (117469307328).

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

67037676672 is a wasteful number, since it uses less digits than its factorization.

67037676672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55958 (or 55946 counting only the distinct ones).

The product of its (nonzero) digits is 18670176, while the sum is 57.

The spelling of 67037676672 in words is "sixty-seven billion, thirty-seven million, six hundred seventy-six thousand, six hundred seventy-two".