67887061 has 8 divisors (see below), whose sum is σ = 74127744. Its totient is φ = 61657920.

The previous prime is 67887041. The next prime is 67887073. The reversal of 67887061 is 16078876.

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 67887061 - 2⁹ = 67886549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67886999 and 67887017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67887031) 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, 13485 + ... + 17821.

It is an arithmetic number, because the mean of its divisors is an integer number (9265968).

Almost surely, 2^67887061 is an apocalyptic number.

It is an amenable number.

67887061 is a deficient number, since it is larger than the sum of its proper divisors (6240683).

67887061 is a wasteful number, since it uses less digits than its factorization.

67887061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 67887061 is about 8239.3604727552. The cubic root of 67887061 is about 407.9394153441.

The spelling of 67887061 in words is "sixty-seven million, eight hundred eighty-seven thousand, sixty-one".