67929642 has 36 divisors (see below), whose sum is σ = 161782530. Its totient is φ = 20584080.

The previous prime is 67929601. The next prime is 67929643. The reversal of 67929642 is 24692976.

It can be written as a sum of positive squares in only one way, i.e., 66438801 + 1490841 = 8151^2 + 1221^2 .

It is a super-2 number, since 2×67929642² = 9228872524496328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67929643) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13417 + ... + 17772.

Almost surely, 2^67929642 is an apocalyptic number.

67929642 is an abundant number, since it is smaller than the sum of its proper divisors (93852888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67929642 is a wasteful number, since it uses less digits than its factorization.

67929642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31219 (or 31205 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 67929642 is about 8241.9440667842. The cubic root of 67929642 is about 408.0246885291.

The spelling of 67929642 in words is "sixty-seven million, nine hundred twenty-nine thousand, six hundred forty-two".