67945845 has 32 divisors (see below), whose sum is σ = 120242304. Its totient is φ = 32486400.

The previous prime is 67945819. The next prime is 67945859. The reversal of 67945845 is 54854976.

It is not a de Polignac number, because 67945845 - 2⁶ = 67945781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67945794 and 67945803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9225 + ... + 14865.

It is an arithmetic number, because the mean of its divisors is an integer number (3757572).

Almost surely, 2^67945845 is an apocalyptic number.

It is an amenable number.

67945845 is a deficient number, since it is larger than the sum of its proper divisors (52296459).

67945845 is a wasteful number, since it uses less digits than its factorization.

67945845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733.

The product of its digits is 1209600, while the sum is 48.

The square root of 67945845 is about 8242.9269680132. The cubic root of 67945845 is about 408.0571274775.

The spelling of 67945845 in words is "sixty-seven million, nine hundred forty-five thousand, eight hundred forty-five".