67407488 has 64 divisors (see below), whose sum is σ = 141551520. Its totient is φ = 31933440.

The previous prime is 67407481. The next prime is 67407493. The reversal of 67407488 is 88470476.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (67407481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203483 + ... + 203813.

Almost surely, 2^67407488 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 67407488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70775760).

67407488 is an abundant number, since it is smaller than the sum of its proper divisors (74144032).

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

67407488 is a wasteful number, since it uses less digits than its factorization.

67407488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 67407488 is about 8210.2063311466. The cubic root of 67407488 is about 406.9765454431.

The spelling of 67407488 in words is "sixty-seven million, four hundred seven thousand, four hundred eighty-eight".