1672641744 has 40 divisors (see below), whose sum is σ = 4548414240. Its totient is φ = 528202368.

The previous prime is 1672641743. The next prime is 1672641767. The reversal of 1672641744 is 4471462761.

It is a junction number, because it is equal to n+sod(n) for n = 1672641696 and 1672641705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672641743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916107 + ... + 917930.

It is an arithmetic number, because the mean of its divisors is an integer number (113710356).

Almost surely, 2^1672641744 is an apocalyptic number.

It is an amenable number.

1672641744 is an abundant number, since it is smaller than the sum of its proper divisors (2875772496).

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

1672641744 is a wasteful number, since it uses less digits than its factorization.

1672641744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834067 (or 1834061 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 1672641744 is about 40897.9430289593. The cubic root of 1672641744 is about 1187.0462592103.

The spelling of 1672641744 in words is "one billion, six hundred seventy-two million, six hundred forty-one thousand, seven hundred forty-four".