67729066 has 8 divisors (see below), whose sum is σ = 106010784. Its totient is φ = 32392140.

The previous prime is 67729063. The next prime is 67729069. The reversal of 67729066 is 66092776.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67729063) and next prime (67729069).

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

It is not an unprimeable number, because it can be changed into a prime (67729061) 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, 736140 + ... + 736231.

It is an arithmetic number, because the mean of its divisors is an integer number (13251348).

Almost surely, 2^67729066 is an apocalyptic number.

67729066 is a deficient number, since it is larger than the sum of its proper divisors (38281718).

67729066 is a wasteful number, since it uses less digits than its factorization.

67729066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472396.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 67729066 is about 8229.7670683926. The cubic root of 67729066 is about 407.6227008274.

The spelling of 67729066 in words is "sixty-seven million, seven hundred twenty-nine thousand, sixty-six".