1670272 has 16 divisors (see below), whose sum is σ = 3327750. Its totient is φ = 835072.

The previous prime is 1670269. The next prime is 1670281. The reversal of 1670272 is 2720761.

It can be written as a sum of positive squares in only one way, i.e., 1382976 + 287296 = 1176^2 + 536^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6397 + ... + 6652.

2^1670272 is an apocalyptic number.

It is an amenable number.

1670272 is a deficient number, since it is larger than the sum of its proper divisors (1657478).

1670272 is an equidigital number, since it uses as much as digits as its factorization.

1670272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13063 (or 13051 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 1670272 is about 1292.3900340068. The cubic root of 1670272 is about 118.6485404849.

The spelling of 1670272 in words is "one million, six hundred seventy thousand, two hundred seventy-two".