67326945 has 32 divisors (see below), whose sum is σ = 123420672. Its totient is φ = 30700992.

The previous prime is 67326943. The next prime is 67326967. The reversal of 67326945 is 54962376.

It is not a de Polignac number, because 67326945 - 2¹ = 67326943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67326897 and 67326906.

It is not an unprimeable number, because it can be changed into a prime (67326943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77584 + ... + 78446.

It is an arithmetic number, because the mean of its divisors is an integer number (3856896).

Almost surely, 2^67326945 is an apocalyptic number.

It is an amenable number.

67326945 is a deficient number, since it is larger than the sum of its proper divisors (56093727).

67326945 is a wasteful number, since it uses less digits than its factorization.

67326945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621.

The product of its digits is 272160, while the sum is 42.

The square root of 67326945 is about 8205.2998117071. The cubic root of 67326945 is about 406.8143865242.

The spelling of 67326945 in words is "sixty-seven million, three hundred twenty-six thousand, nine hundred forty-five".