67726028 has 24 divisors (see below), whose sum is σ = 125773200. Its totient is φ = 31799808.

The previous prime is 67726027. The next prime is 67726033. The reversal of 67726028 is 82062776.

It is a junction number, because it is equal to n+sod(n) for n = 67725982 and 67726000.

It is not an unprimeable number, because it can be changed into a prime (67726027) 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 7 ways as a sum of consecutive naturals, for example, 41288 + ... + 42896.

It is an arithmetic number, because the mean of its divisors is an integer number (5240550).

Almost surely, 2^67726028 is an apocalyptic number.

67726028 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

67726028 is a deficient number, since it is larger than the sum of its proper divisors (58047172).

67726028 is a wasteful number, since it uses less digits than its factorization.

67726028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 67726028 is about 8229.5824924476. The cubic root of 67726028 is about 407.6166060720.

The spelling of 67726028 in words is "sixty-seven million, seven hundred twenty-six thousand, twenty-eight".