67485493 has 4 divisors (see below), whose sum is σ = 67654188. Its totient is φ = 67316800.

The previous prime is 67485487. The next prime is 67485503. The reversal of 67485493 is 39458476.

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 49660209 + 17825284 = 7047^2 + 4222^2 .

It is a cyclic number.

It is not a de Polignac number, because 67485493 - 2⁹ = 67484981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67485403) 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, 83746 + ... + 84547.

It is an arithmetic number, because the mean of its divisors is an integer number (16913547).

Almost surely, 2^67485493 is an apocalyptic number.

It is an amenable number.

67485493 is a deficient number, since it is larger than the sum of its proper divisors (168695).

67485493 is a wasteful number, since it uses less digits than its factorization.

67485493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168694.

The product of its digits is 725760, while the sum is 46.

The square root of 67485493 is about 8214.9554472316. The cubic root of 67485493 is about 407.1334714687.

The spelling of 67485493 in words is "sixty-seven million, four hundred eighty-five thousand, four hundred ninety-three".