67342565 has 4 divisors (see below), whose sum is σ = 80811084. Its totient is φ = 53874048.

The previous prime is 67342543. The next prime is 67342567. The reversal of 67342565 is 56524376.

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 49084036 + 18258529 = 7006^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 67342565 - 2¹⁰ = 67341541 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 (67342567) 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, 6734252 + ... + 6734261.

It is an arithmetic number, because the mean of its divisors is an integer number (20202771).

Almost surely, 2^67342565 is an apocalyptic number.

It is an amenable number.

67342565 is a deficient number, since it is larger than the sum of its proper divisors (13468519).

67342565 is a wasteful number, since it uses less digits than its factorization.

67342565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468518.

The product of its digits is 151200, while the sum is 38.

The square root of 67342565 is about 8206.2515803502. The cubic root of 67342565 is about 406.8458447038.

The spelling of 67342565 in words is "sixty-seven million, three hundred forty-two thousand, five hundred sixty-five".