67872385 has 16 divisors (see below), whose sum is σ = 93661056. Its totient is φ = 46251648.

The previous prime is 67872373. The next prime is 67872391. The reversal of 67872385 is 58327876.

It is a cyclic number.

It is not a de Polignac number, because 67872385 - 2¹⁵ = 67839617 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244 + ... + 11653.

It is an arithmetic number, because the mean of its divisors is an integer number (5853816).

Almost surely, 2^67872385 is an apocalyptic number.

It is an amenable number.

67872385 is a deficient number, since it is larger than the sum of its proper divisors (25788671).

67872385 is a wasteful number, since it uses less digits than its factorization.

67872385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12072.

The product of its digits is 564480, while the sum is 46.

The square root of 67872385 is about 8238.4698215142. The cubic root of 67872385 is about 407.9100167604.

The spelling of 67872385 in words is "sixty-seven million, eight hundred seventy-two thousand, three hundred eighty-five".