1672747120 has 80 divisors (see below), whose sum is σ = 4256950752. Its totient is φ = 606228480.

The previous prime is 1672747117. The next prime is 1672747127. The reversal of 1672747120 is 217472761.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1672747120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672747127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272404 + ... + 278476.

Almost surely, 2^1672747120 is an apocalyptic number.

1672747120 is a gapful number since it is divisible by the number (10) 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 1672747120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2128475376).

1672747120 is an abundant number, since it is smaller than the sum of its proper divisors (2584203632).

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

1672747120 is a wasteful number, since it uses less digits than its factorization.

1672747120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 1672747120 is about 40899.2312886196. The cubic root of 1672747120 is about 1187.0711865565.

The spelling of 1672747120 in words is "one billion, six hundred seventy-two million, seven hundred forty-seven thousand, one hundred twenty".