67728792 has 16 divisors (see below), whose sum is σ = 169322040. Its totient is φ = 22576256.

The previous prime is 67728781. The next prime is 67728803. The reversal of 67728792 is 29782776.

It is an interprime number because it is at equal distance from previous prime (67728781) and next prime (67728803).

It is a congruent number.

It is an unprimeable number.

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, 1410993 + ... + 1411040.

Almost surely, 2^67728792 is an apocalyptic number.

It is an amenable number.

67728792 is an abundant number, since it is smaller than the sum of its proper divisors (101593248).

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

67728792 is a wasteful number, since it uses less digits than its factorization.

67728792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822042 (or 2822038 counting only the distinct ones).

The product of its digits is 592704, while the sum is 48.

The square root of 67728792 is about 8229.7504214891. The cubic root of 67728792 is about 407.6221511433.

The spelling of 67728792 in words is "sixty-seven million, seven hundred twenty-eight thousand, seven hundred ninety-two".