67495565 has 4 divisors (see below), whose sum is σ = 80994684. Its totient is φ = 53996448.

The previous prime is 67495537. The next prime is 67495567. The reversal of 67495565 is 56559476.

It is a happy number.

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 7557001 + 59938564 = 2749^2 + 7742^2 .

It is a cyclic number.

It is not a de Polignac number, because 67495565 - 2¹² = 67491469 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 (67495567) 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, 6749552 + ... + 6749561.

It is an arithmetic number, because the mean of its divisors is an integer number (20248671).

Almost surely, 2^67495565 is an apocalyptic number.

It is an amenable number.

67495565 is a deficient number, since it is larger than the sum of its proper divisors (13499119).

67495565 is a wasteful number, since it uses less digits than its factorization.

67495565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13499118.

The product of its digits is 1134000, while the sum is 47.

The square root of 67495565 is about 8215.5684526392. The cubic root of 67495565 is about 407.1537249294.

The spelling of 67495565 in words is "sixty-seven million, four hundred ninety-five thousand, five hundred sixty-five".