67494320 has 20 divisors (see below), whose sum is σ = 156924480. Its totient is φ = 26997696.

The previous prime is 67494293. The next prime is 67494331. The reversal of 67494320 is 2349476.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421760 + ... + 421919.

It is an arithmetic number, because the mean of its divisors is an integer number (7846224).

Almost surely, 2^67494320 is an apocalyptic number.

It is an amenable number.

67494320 is an abundant number, since it is smaller than the sum of its proper divisors (89430160).

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

67494320 is a wasteful number, since it uses less digits than its factorization.

67494320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843692 (or 843686 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 67494320 is about 8215.4926815134. The cubic root of 67494320 is about 407.1512215081.

The spelling of 67494320 in words is "sixty-seven million, four hundred ninety-four thousand, three hundred twenty".