67328945 has 16 divisors (see below), whose sum is σ = 82892160. Its totient is φ = 52483200.

The previous prime is 67328941. The next prime is 67328953. The reversal of 67328945 is 54982376.

It is not a de Polignac number, because 67328945 - 2² = 67328941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67328896 and 67328905.

It is not an unprimeable number, because it can be changed into a prime (67328941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30530 + ... + 32660.

It is an arithmetic number, because the mean of its divisors is an integer number (5180760).

Almost surely, 2^67328945 is an apocalyptic number.

It is an amenable number.

67328945 is a deficient number, since it is larger than the sum of its proper divisors (15563215).

67328945 is a wasteful number, since it uses less digits than its factorization.

67328945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

The product of its digits is 362880, while the sum is 44.

The square root of 67328945 is about 8205.4216832531. The cubic root of 67328945 is about 406.8184147317.

The spelling of 67328945 in words is "sixty-seven million, three hundred twenty-eight thousand, nine hundred forty-five".