1672738344 has 32 divisors (see below), whose sum is σ = 4646496000. Its totient is φ = 557579376.

The previous prime is 1672738339. The next prime is 1672738349. The reversal of 1672738344 is 4438372761.

It is an interprime number because it is at equal distance from previous prime (1672738339) and next prime (1672738349).

It is a self number, because there is not a number n which added to its sum of digits gives 1672738344.

It is not an unprimeable number, because it can be changed into a prime (1672738349) 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, 3871864 + ... + 3872295.

It is an arithmetic number, because the mean of its divisors is an integer number (145203000).

Almost surely, 2^1672738344 is an apocalyptic number.

It is an amenable number.

1672738344 is an abundant number, since it is smaller than the sum of its proper divisors (2973757656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672738344 is a wasteful number, since it uses less digits than its factorization.

1672738344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7744174 (or 7744164 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 1672738344 is about 40899.1240003988. The cubic root of 1672738344 is about 1187.0691105793.

The spelling of 1672738344 in words is "one billion, six hundred seventy-two million, seven hundred thirty-eight thousand, three hundred forty-four".