67887345 has 8 divisors (see below), whose sum is σ = 108619776. Its totient is φ = 36206576.

The previous prime is 67887343. The next prime is 67887359. The reversal of 67887345 is 54378876.

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 67887345 - 2¹ = 67887343 is a prime.

It is a super-2 number, since 2×67887345² = 9217383222298050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67887294 and 67887303.

It is not an unprimeable number, because it can be changed into a prime (67887343) 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, 2262897 + ... + 2262926.

It is an arithmetic number, because the mean of its divisors is an integer number (13577472).

Almost surely, 2^67887345 is an apocalyptic number.

It is an amenable number.

67887345 is a deficient number, since it is larger than the sum of its proper divisors (40732431).

67887345 is a wasteful number, since it uses less digits than its factorization.

67887345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525831.

The product of its digits is 1128960, while the sum is 48.

The square root of 67887345 is about 8239.3777070844. The cubic root of 67887345 is about 407.9399842038.

The spelling of 67887345 in words is "sixty-seven million, eight hundred eighty-seven thousand, three hundred forty-five".