1672276723 has 16 divisors (see below), whose sum is σ = 1942841376. Its totient is φ = 1425415680.

The previous prime is 1672276721. The next prime is 1672276729. The reversal of 1672276723 is 3276722761.

It is not a de Polignac number, because 1672276723 - 2¹ = 1672276721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672276723.

It is not an unprimeable number, because it can be changed into a prime (1672276721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59673 + ... + 83098.

It is an arithmetic number, because the mean of its divisors is an integer number (121427586).

Almost surely, 2^1672276723 is an apocalyptic number.

1672276723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1672276723 is a deficient number, since it is larger than the sum of its proper divisors (270564653).

1672276723 is a wasteful number, since it uses less digits than its factorization.

1672276723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142854.

The product of its digits is 296352, while the sum is 43.

The square root of 1672276723 is about 40893.4802016165. The cubic root of 1672276723 is about 1186.9599031336.

The spelling of 1672276723 in words is "one billion, six hundred seventy-two million, two hundred seventy-six thousand, seven hundred twenty-three".