1672562273 has 4 divisors (see below), whose sum is σ = 1672910100. Its totient is φ = 1672214448.

The previous prime is 1672562263. The next prime is 1672562279. The reversal of 1672562273 is 3722652761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3722652761 = 1669 ⋅2230469.

It can be written as a sum of positive squares in 2 ways, for example, as 1108357264 + 564205009 = 33292^2 + 23753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1672562273 - 2⁶ = 1672562209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672562273.

It is not an unprimeable number, because it can be changed into a prime (1672562279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166598 + ... + 176351.

It is an arithmetic number, because the mean of its divisors is an integer number (418227525).

Almost surely, 2^1672562273 is an apocalyptic number.

It is an amenable number.

1672562273 is a deficient number, since it is larger than the sum of its proper divisors (347827).

1672562273 is an equidigital number, since it uses as much as digits as its factorization.

1672562273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347826.

The product of its digits is 211680, while the sum is 41.

The square root of 1672562273 is about 40896.9714404380. The cubic root of 1672562273 is about 1187.0274591598.

The spelling of 1672562273 in words is "one billion, six hundred seventy-two million, five hundred sixty-two thousand, two hundred seventy-three".