67689386 has 8 divisors (see below), whose sum is σ = 102264960. Its totient is φ = 33601068.

The previous prime is 67689367. The next prime is 67689389. The reversal of 67689386 is 68398676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×67689386³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (67689389) 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, 121466 + ... + 122021.

It is an arithmetic number, because the mean of its divisors is an integer number (12783120).

Almost surely, 2^67689386 is an apocalyptic number.

67689386 is a deficient number, since it is larger than the sum of its proper divisors (34575574).

67689386 is a wasteful number, since it uses less digits than its factorization.

67689386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243628.

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

The square root of 67689386 is about 8227.3559543756. The cubic root of 67689386 is about 407.5430814979.

The spelling of 67689386 in words is "sixty-seven million, six hundred eighty-nine thousand, three hundred eighty-six".