67712604 has 12 divisors (see below), whose sum is σ = 157996104. Its totient is φ = 22570864.

The previous prime is 67712551. The next prime is 67712609. The reversal of 67712604 is 40621776.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67712609) 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, 2821347 + ... + 2821370.

It is an arithmetic number, because the mean of its divisors is an integer number (13166342).

Almost surely, 2^67712604 is an apocalyptic number.

It is an amenable number.

67712604 is an abundant number, since it is smaller than the sum of its proper divisors (90283500).

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

67712604 is a wasteful number, since it uses less digits than its factorization.

67712604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642724 (or 5642722 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 67712604 is about 8228.7668577983. The cubic root of 67712604 is about 407.5896730151.

The spelling of 67712604 in words is "sixty-seven million, seven hundred twelve thousand, six hundred four".