1670055 has 8 divisors (see below), whose sum is σ = 2672112. Its totient is φ = 890688.

The previous prime is 1670017. The next prime is 1670057. The reversal of 1670055 is 5500761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1670055 - 2⁸ = 1669799 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1670055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670057) 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, 55654 + ... + 55683.

It is an arithmetic number, because the mean of its divisors is an integer number (334014).

2^1670055 is an apocalyptic number.

1670055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1670055 is a deficient number, since it is larger than the sum of its proper divisors (1002057).

1670055 is a wasteful number, since it uses less digits than its factorization.

1670055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111345.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 1670055 is about 1292.3060782957. The cubic root of 1670055 is about 118.6434020307.

The spelling of 1670055 in words is "one million, six hundred seventy thousand, fifty-five".