67401608 has 16 divisors (see below), whose sum is σ = 127042560. Its totient is φ = 33523600.

The previous prime is 67401601. The next prime is 67401611. The reversal of 67401608 is 80610476.

It is not an unprimeable number, because it can be changed into a prime (67401601) 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, 20528 + ... + 23583.

It is an arithmetic number, because the mean of its divisors is an integer number (7940160).

Almost surely, 2^67401608 is an apocalyptic number.

It is an amenable number.

67401608 is a deficient number, since it is larger than the sum of its proper divisors (59640952).

67401608 is a wasteful number, since it uses less digits than its factorization.

67401608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44308 (or 44304 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 67401608 is about 8209.8482324584. The cubic root of 67401608 is about 406.9647114875.

The spelling of 67401608 in words is "sixty-seven million, four hundred one thousand, six hundred eight".