67689683 has 4 divisors (see below), whose sum is σ = 70023840. Its totient is φ = 65355528.

The previous prime is 67689653. The next prime is 67689689. The reversal of 67689683 is 38698676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67689683 - 2¹⁴ = 67673299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67689689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167035 + ... + 1167092.

It is an arithmetic number, because the mean of its divisors is an integer number (17505960).

Almost surely, 2^67689683 is an apocalyptic number.

67689683 is a deficient number, since it is larger than the sum of its proper divisors (2334157).

67689683 is a wasteful number, since it uses less digits than its factorization.

67689683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334156.

The product of its digits is 2612736, while the sum is 53.

The square root of 67689683 is about 8227.3740038970. The cubic root of 67689683 is about 407.5436775545.

The spelling of 67689683 in words is "sixty-seven million, six hundred eighty-nine thousand, six hundred eighty-three".