67948840 has 48 divisors (see below), whose sum is σ = 156410100. Its totient is φ = 26566656.

The previous prime is 67948819. The next prime is 67948871. The reversal of 67948840 is 4884976.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66879684 + 1069156 = 8178^2 + 1034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87976 + ... + 88744.

Almost surely, 2^67948840 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 67948840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78205050).

67948840 is an abundant number, since it is smaller than the sum of its proper divisors (88461260).

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

67948840 is a wasteful number, since it uses less digits than its factorization.

67948840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 67948840 is about 8243.1086369161. The cubic root of 67948840 is about 408.0631230030.

The spelling of 67948840 in words is "sixty-seven million, nine hundred forty-eight thousand, eight hundred forty".