1672444931 has 8 divisors (see below), whose sum is σ = 1767252480. Its totient is φ = 1579478472.

The previous prime is 1672444913. The next prime is 1672444933. The reversal of 1672444931 is 1394442761.

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

It is a cyclic number.

It is not a de Polignac number, because 1672444931 - 2¹⁰ = 1672443907 is a prime.

It is a super-2 number, since 2×1672444931² = 5594144094455189522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672444933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458405 + ... + 462038.

It is an arithmetic number, because the mean of its divisors is an integer number (220906560).

Almost surely, 2^1672444931 is an apocalyptic number.

1672444931 is a deficient number, since it is larger than the sum of its proper divisors (94807549).

1672444931 is an equidigital number, since it uses as much as digits as its factorization.

1672444931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920545.

The product of its digits is 145152, while the sum is 41.

The square root of 1672444931 is about 40895.5368102682. The cubic root of 1672444931 is about 1186.9996990707. Note that the first 3 decimals are identical.

The spelling of 1672444931 in words is "one billion, six hundred seventy-two million, four hundred forty-four thousand, nine hundred thirty-one".