67729964 has 12 divisors (see below), whose sum is σ = 122614800. Its totient is φ = 32697168.

The previous prime is 67729951. The next prime is 67729967. The reversal of 67729964 is 46992776.

It is not an unprimeable number, because it can be changed into a prime (67729967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291824 + ... + 292055.

It is an arithmetic number, because the mean of its divisors is an integer number (10217900).

Almost surely, 2^67729964 is an apocalyptic number.

It is an amenable number.

67729964 is a deficient number, since it is larger than the sum of its proper divisors (54884836).

67729964 is a wasteful number, since it uses less digits than its factorization.

67729964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583912 (or 583910 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 67729964 is about 8229.8216262565. The cubic root of 67729964 is about 407.6245023364.

The spelling of 67729964 in words is "sixty-seven million, seven hundred twenty-nine thousand, nine hundred sixty-four".