67250028 has 24 divisors (see below), whose sum is σ = 166147632. Its totient is φ = 21097984.

The previous prime is 67250021. The next prime is 67250033. The reversal of 67250028 is 82005276.

67250028 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

67250028 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 67249977 and 67250004.

It is not an unprimeable number, because it can be changed into a prime (67250021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164625 + ... + 165032.

It is an arithmetic number, because the mean of its divisors is an integer number (6922818).

Almost surely, 2^67250028 is an apocalyptic number.

67250028 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

67250028 is an abundant number, since it is smaller than the sum of its proper divisors (98897604).

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

67250028 is a wasteful number, since it uses less digits than its factorization.

67250028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329681 (or 329679 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 67250028 is about 8200.6114406183. The cubic root of 67250028 is about 406.6594071385.

The spelling of 67250028 in words is "sixty-seven million, two hundred fifty thousand, twenty-eight".