67552369 has 8 divisors (see below), whose sum is σ = 69002280. Its totient is φ = 66109056.

The previous prime is 67552363. The next prime is 67552399. The reversal of 67552369 is 96325576.

It can be written as a sum of positive squares in 4 ways, for example, as 33177600 + 34374769 = 5760^2 + 5863^2 .

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 67552369 - 2³ = 67552361 is a prime.

It is a super-2 number, since 2×67552369² = 9126645115024322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67552361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22827 + ... + 25615.

It is an arithmetic number, because the mean of its divisors is an integer number (8625285).

Almost surely, 2^67552369 is an apocalyptic number.

It is an amenable number.

67552369 is a deficient number, since it is larger than the sum of its proper divisors (1449911).

67552369 is a wasteful number, since it uses less digits than its factorization.

67552369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299.

The product of its digits is 340200, while the sum is 43.

The square root of 67552369 is about 8219.0248205003. The cubic root of 67552369 is about 407.2679125558.

The spelling of 67552369 in words is "sixty-seven million, five hundred fifty-two thousand, three hundred sixty-nine".