170078028 has 48 divisors (see below), whose sum is σ = 415328256. Its totient is φ = 54103680.

The previous prime is 170078023. The next prime is 170078087. The reversal of 170078028 is 820870071.

It is a self number, because there is not a number n which added to its sum of digits gives 170078028.

It is not an unprimeable number, because it can be changed into a prime (170078023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24025 + ... + 30287.

It is an arithmetic number, because the mean of its divisors is an integer number (8652672).

Almost surely, 2^170078028 is an apocalyptic number.

It is an amenable number.

170078028 is an abundant number, since it is smaller than the sum of its proper divisors (245250228).

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

170078028 is a wasteful number, since it uses less digits than its factorization.

170078028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6374 (or 6372 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 170078028 is about 13041.3967043411. The cubic root of 170078028 is about 554.0505673105.

The spelling of 170078028 in words is "one hundred seventy million, seventy-eight thousand, twenty-eight".