67615485 has 16 divisors (see below), whose sum is σ = 123639936. Its totient is φ = 30909888.

The previous prime is 67615481. The next prime is 67615487. The reversal of 67615485 is 58451676.

It is not a de Polignac number, because 67615485 - 2² = 67615481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67615481) 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, 321874 + ... + 322083.

It is an arithmetic number, because the mean of its divisors is an integer number (7727496).

Almost surely, 2^67615485 is an apocalyptic number.

It is an amenable number.

67615485 is a deficient number, since it is larger than the sum of its proper divisors (56024451).

67615485 is a wasteful number, since it uses less digits than its factorization.

67615485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643972.

The product of its digits is 201600, while the sum is 42.

The square root of 67615485 is about 8222.8635523156. The cubic root of 67615485 is about 407.3947135373.

It can be divided in two parts, 6761 and 5485, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 67615485 in words is "sixty-seven million, six hundred fifteen thousand, four hundred eighty-five".