67135488 has 144 divisors (see below), whose sum is σ = 209139840. Its totient is φ = 19095552.

The previous prime is 67135483. The next prime is 67135507. The reversal of 67135488 is 88453176.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (67135483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300945 + ... + 301167.

It is an arithmetic number, because the mean of its divisors is an integer number (1452360).

Almost surely, 2^67135488 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 67135488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104569920).

67135488 is an abundant number, since it is smaller than the sum of its proper divisors (142004352).

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

67135488 is a wasteful number, since it uses less digits than its factorization.

67135488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 235 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 67135488 is about 8193.6248388610. The cubic root of 67135488 is about 406.4284023385.

The spelling of 67135488 in words is "sixty-seven million, one hundred thirty-five thousand, four hundred eighty-eight".