67485505 has 4 divisors (see below), whose sum is σ = 80982612. Its totient is φ = 53988400.

The previous prime is 67485503. The next prime is 67485541. The reversal of 67485505 is 50558476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17909824 + 49575681 = 4232^2 + 7041^2 .

It is not a de Polignac number, because 67485505 - 2¹ = 67485503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67485503) 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, 6748546 + ... + 6748555.

It is an arithmetic number, because the mean of its divisors is an integer number (20245653).

Almost surely, 2^67485505 is an apocalyptic number.

It is an amenable number.

67485505 is a deficient number, since it is larger than the sum of its proper divisors (13497107).

67485505 is a wasteful number, since it uses less digits than its factorization.

67485505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13497106.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 67485505 is about 8214.9561776068. The cubic root of 67485505 is about 407.1334956003.

The spelling of 67485505 in words is "sixty-seven million, four hundred eighty-five thousand, five hundred five".