67028276 has 72 divisors (see below), whose sum is σ = 147470400. Its totient is φ = 26490240.

The previous prime is 67028243. The next prime is 67028369. The reversal of 67028276 is 67282076.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152465 + ... + 152903.

It is an arithmetic number, because the mean of its divisors is an integer number (2048200).

Almost surely, 2^67028276 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 67028276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73735200).

67028276 is an abundant number, since it is smaller than the sum of its proper divisors (80442124).

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

67028276 is a wasteful number, since it uses less digits than its factorization.

67028276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 508 counting only the distinct ones).

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

The square root of 67028276 is about 8187.0798212794. The cubic root of 67028276 is about 406.2119384933.

The spelling of 67028276 in words is "sixty-seven million, twenty-eight thousand, two hundred seventy-six".