67996548 has 18 divisors (see below), whose sum is σ = 171880254. Its totient is φ = 22665504.

The previous prime is 67996519. The next prime is 67996559. The reversal of 67996548 is 84569976.

67996548 is a `hidden beast` number, since 6 + 7 + 9 + 96 + 548 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58706244 + 9290304 = 7662^2 + 3048^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 67996494 and 67996503.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 944361 + ... + 944432.

It is an arithmetic number, because the mean of its divisors is an integer number (9548903).

Almost surely, 2^67996548 is an apocalyptic number.

It is an amenable number.

67996548 is an abundant number, since it is smaller than the sum of its proper divisors (103883706).

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

67996548 is a wasteful number, since it uses less digits than its factorization.

67996548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888803 (or 1888798 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 67996548 is about 8246.0019403345. The cubic root of 67996548 is about 408.1586032742.

The spelling of 67996548 in words is "sixty-seven million, nine hundred ninety-six thousand, five hundred forty-eight".