67994720 has 24 divisors (see below), whose sum is σ = 160637904. Its totient is φ = 27197824.

The previous prime is 67994701. The next prime is 67994723. The reversal of 67994720 is 2749976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67994723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212324 + ... + 212643.

It is an arithmetic number, because the mean of its divisors is an integer number (6693246).

Almost surely, 2^67994720 is an apocalyptic number.

It is an amenable number.

67994720 is an abundant number, since it is smaller than the sum of its proper divisors (92643184).

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

67994720 is a wasteful number, since it uses less digits than its factorization.

67994720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424982 (or 424974 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 67994720 is about 8245.8910979954. The cubic root of 67994720 is about 408.1549456345.

The spelling of 67994720 in words is "sixty-seven million, nine hundred ninety-four thousand, seven hundred twenty".