67163872 has 48 divisors (see below), whose sum is σ = 140806512. Its totient is φ = 31426560.

The previous prime is 67163861. The next prime is 67163909. The reversal of 67163872 is 27836176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179878 + ... + 180250.

It is an arithmetic number, because the mean of its divisors is an integer number (2933469).

Almost surely, 2^67163872 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 67163872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70403256).

67163872 is an abundant number, since it is smaller than the sum of its proper divisors (73642640).

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

67163872 is a wasteful number, since it uses less digits than its factorization.

67163872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 723 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 67163872 is about 8195.3567341514. The cubic root of 67163872 is about 406.4856717933.

The spelling of 67163872 in words is "sixty-seven million, one hundred sixty-three thousand, eight hundred seventy-two".