68839364 has 24 divisors (see below), whose sum is σ = 132904800. Its totient is φ = 30937280.

The previous prime is 68839361. The next prime is 68839367. The reversal of 68839364 is 46393886.

68839364 = T₁₁₉₉ + T₁₂₀₀ + ... + T₁₂₈₇.

It is an interprime number because it is at equal distance from previous prime (68839361) and next prime (68839367).

It is not an unprimeable number, because it can be changed into a prime (68839361) 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, 4874 + ... + 12705.

It is an arithmetic number, because the mean of its divisors is an integer number (5537700).

Almost surely, 2^68839364 is an apocalyptic number.

It is an amenable number.

68839364 is a deficient number, since it is larger than the sum of its proper divisors (64065436).

68839364 is a wasteful number, since it uses less digits than its factorization.

68839364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17683 (or 17681 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 68839364 is about 8296.9490778237. The cubic root of 68839364 is about 409.8380562096.

The spelling of 68839364 in words is "sixty-eight million, eight hundred thirty-nine thousand, three hundred sixty-four".