67736061 has 8 divisors (see below), whose sum is σ = 100349760. Its totient is φ = 45157356.

The previous prime is 67736057. The next prime is 67736063. The reversal of 67736061 is 16063776.

It is not a de Polignac number, because 67736061 - 2² = 67736057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67736063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254345 + ... + 1254398.

It is an arithmetic number, because the mean of its divisors is an integer number (12543720).

Almost surely, 2^67736061 is an apocalyptic number.

It is an amenable number.

67736061 is a deficient number, since it is larger than the sum of its proper divisors (32613699).

67736061 is a wasteful number, since it uses less digits than its factorization.

67736061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508752 (or 2508746 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 67736061 is about 8230.1920390717. The cubic root of 67736061 is about 407.6367333189.

The spelling of 67736061 in words is "sixty-seven million, seven hundred thirty-six thousand, sixty-one".