67897565 has 8 divisors (see below), whose sum is σ = 81523680. Its totient is φ = 54286992.

The previous prime is 67897549. The next prime is 67897573. The reversal of 67897565 is 56579876.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67897565 - 2⁴ = 67897549 is a prime.

It is a super-2 number, since 2×67897565² = 9220158665858450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10742 + ... + 15848.

It is an arithmetic number, because the mean of its divisors is an integer number (10190460).

Almost surely, 2^67897565 is an apocalyptic number.

It is an amenable number.

67897565 is a deficient number, since it is larger than the sum of its proper divisors (13626115).

67897565 is a wasteful number, since it uses less digits than its factorization.

67897565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771.

The product of its digits is 3175200, while the sum is 53.

The square root of 67897565 is about 8239.9978762133. The cubic root of 67897565 is about 407.9604540839.

The spelling of 67897565 in words is "sixty-seven million, eight hundred ninety-seven thousand, five hundred sixty-five".