1672351232 has 40 divisors (see below), whose sum is σ = 3351421656. Its totient is φ = 833677312.

The previous prime is 1672351231. The next prime is 1672351249. The reversal of 1672351232 is 2321532761.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672351231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172958 + ... + 182370.

Almost surely, 2^1672351232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672351232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675710828).

1672351232 is an abundant number, since it is smaller than the sum of its proper divisors (1679070424).

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

1672351232 is an frugal number, since it uses more digits than its factorization.

1672351232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9778 (or 9762 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 1672351232 is about 40894.3912046628. The cubic root of 1672351232 is about 1186.9775313728.

Adding to 1672351232 its reverse (2321532761), we get a palindrome (3993883993).

The spelling of 1672351232 in words is "one billion, six hundred seventy-two million, three hundred fifty-one thousand, two hundred thirty-two".