67894869 has 16 divisors (see below), whose sum is σ = 103577600. Its totient is φ = 38752560.

The previous prime is 67894861. The next prime is 67894877. The reversal of 67894869 is 96849876.

It is an interprime number because it is at equal distance from previous prime (67894861) and next prime (67894877).

It is not a de Polignac number, because 67894869 - 2³ = 67894861 is a prime.

It is a super-2 number, since 2×67894869² = 9219426473054322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67894861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28224 + ... + 30534.

It is an arithmetic number, because the mean of its divisors is an integer number (6473600).

Almost surely, 2^67894869 is an apocalyptic number.

It is an amenable number.

67894869 is a deficient number, since it is larger than the sum of its proper divisors (35682731).

67894869 is a wasteful number, since it uses less digits than its factorization.

67894869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720.

The product of its digits is 5225472, while the sum is 57.

The square root of 67894869 is about 8239.8342823142. The cubic root of 67894869 is about 407.9550544011.

The spelling of 67894869 in words is "sixty-seven million, eight hundred ninety-four thousand, eight hundred sixty-nine".