1672688446 has 96 divisors (see below), whose sum is σ = 3297436128. Its totient is φ = 625121280.

The previous prime is 1672688443. The next prime is 1672688447. The reversal of 1672688446 is 6448862761.

It is a junction number, because it is equal to n+sod(n) for n = 1672688393 and 1672688402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672688441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1754706 + ... + 1755658.

It is an arithmetic number, because the mean of its divisors is an integer number (34348293).

Almost surely, 2^1672688446 is an apocalyptic number.

1672688446 is a deficient number, since it is larger than the sum of its proper divisors (1624747682).

1672688446 is a wasteful number, since it uses less digits than its factorization.

1672688446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1015 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

The square root of 1672688446 is about 40898.5139827843. The cubic root of 1672688446 is about 1187.0573069872.

The spelling of 1672688446 in words is "one billion, six hundred seventy-two million, six hundred eighty-eight thousand, four hundred forty-six".