67708872 has 320 divisors, whose sum is σ = 250905600. Its totient is φ = 16536960.

The previous prime is 67708829. The next prime is 67708873. The reversal of 67708872 is 27880776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67708873) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1147579 + ... + 1147637.

It is an arithmetic number, because the mean of its divisors is an integer number (784080).

Almost surely, 2^67708872 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 67708872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125452800).

67708872 is an abundant number, since it is smaller than the sum of its proper divisors (183196728).

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

67708872 is a wasteful number, since it uses less digits than its factorization.

67708872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 67708872 is about 8228.5400892260. The cubic root of 67708872 is about 407.5821847361.

The spelling of 67708872 in words is "sixty-seven million, seven hundred eight thousand, eight hundred seventy-two".