67028704 has 12 divisors (see below), whose sum is σ = 131962824. Its totient is φ = 33514336.

The previous prime is 67028681. The next prime is 67028747. The reversal of 67028704 is 40782076.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 67028704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047292 + ... + 1047355.

It is an arithmetic number, because the mean of its divisors is an integer number (10996902).

Almost surely, 2^67028704 is an apocalyptic number.

It is an amenable number.

67028704 is a deficient number, since it is larger than the sum of its proper divisors (64934120).

67028704 is a wasteful number, since it uses less digits than its factorization.

67028704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094657 (or 2094649 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 67028704 is about 8187.1059599837. The cubic root of 67028704 is about 406.2128030953.

The spelling of 67028704 in words is "sixty-seven million, twenty-eight thousand, seven hundred four".