67985000 has 40 divisors (see below), whose sum is σ = 159300570. Its totient is φ = 27192000.

The previous prime is 67984999. The next prime is 67985003. The reversal of 67985000 is 58976.

It can be written as a sum of positive squares in 5 ways, for example, as 1170724 + 66814276 = 1082^2 + 8174^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (67985003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1799 + ... + 11798.

Almost surely, 2^67985000 is an apocalyptic number.

It is an amenable number.

67985000 is an abundant number, since it is smaller than the sum of its proper divisors (91315570).

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

67985000 is a wasteful number, since it uses less digits than its factorization.

67985000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13623 (or 13604 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 67985000 is about 8245.3016924792. The cubic root of 67985000 is about 408.1354958148.

The spelling of 67985000 in words is "sixty-seven million, nine hundred eighty-five thousand".