67704832 has 48 divisors (see below), whose sum is σ = 145847520. Its totient is φ = 31236096.

The previous prime is 67704827. The next prime is 67704839. The reversal of 67704832 is 23840776.

It is a super-2 number, since 2×67704832² = 9167888552296448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67704791 and 67704800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67704839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25353 + ... + 27895.

It is an arithmetic number, because the mean of its divisors is an integer number (3038490).

Almost surely, 2^67704832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67704832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72923760).

67704832 is an abundant number, since it is smaller than the sum of its proper divisors (78142688).

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

67704832 is a wasteful number, since it uses less digits than its factorization.

67704832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 67704832 is about 8228.2945985180. The cubic root of 67704832 is about 407.5740781433.

The spelling of 67704832 in words is "sixty-seven million, seven hundred four thousand, eight hundred thirty-two".