1672097328 has 120 divisors (see below), whose sum is σ = 5115888336. Its totient is φ = 505612800.

The previous prime is 1672097327. The next prime is 1672097351. The reversal of 1672097328 is 8237902761.

It is not an unprimeable number, because it can be changed into a prime (1672097327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1046226 + ... + 1047822.

Almost surely, 2^1672097328 is an apocalyptic number.

1672097328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672097328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557944168).

1672097328 is an abundant number, since it is smaller than the sum of its proper divisors (3443791008).

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

1672097328 is a wasteful number, since it uses less digits than its factorization.

1672097328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 1672097328 is about 40891.2867002250. The cubic root of 1672097328 is about 1186.9174575496.

The spelling of 1672097328 in words is "one billion, six hundred seventy-two million, ninety-seven thousand, three hundred twenty-eight".