67428966 has 16 divisors (see below), whose sum is σ = 147117888. Its totient is φ = 20433000.

The previous prime is 67428943. The next prime is 67428971. The reversal of 67428966 is 66982476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510760 + ... + 510891.

It is an arithmetic number, because the mean of its divisors is an integer number (9194868).

Almost surely, 2^67428966 is an apocalyptic number.

67428966 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

67428966 is an abundant number, since it is smaller than the sum of its proper divisors (79688922).

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

67428966 is a wasteful number, since it uses less digits than its factorization.

67428966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021667.

The product of its digits is 870912, while the sum is 48.

The square root of 67428966 is about 8211.5142330754. The cubic root of 67428966 is about 407.0197657355.

The spelling of 67428966 in words is "sixty-seven million, four hundred twenty-eight thousand, nine hundred sixty-six".