1672885872 has 210 divisors, whose sum is σ = 5654937168. Its totient is φ = 477804096.

The previous prime is 1672885871. The next prime is 1672885873. The reversal of 1672885872 is 2785882761.

1672885872 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1672885871) and next prime (1672885873).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672885871) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 570073 + ... + 572999.

Almost surely, 2^1672885872 is an apocalyptic number.

1672885872 is a gapful number since it is divisible by the number (12) 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 1672885872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827468584).

1672885872 is an abundant number, since it is smaller than the sum of its proper divisors (3982051296).

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

1672885872 is an equidigital number, since it uses as much as digits as its factorization.

1672885872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967 (or 2939 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The square root of 1672885872 is about 40900.9275200453. The cubic root of 1672885872 is about 1187.1040076059.

The spelling of 1672885872 in words is "one billion, six hundred seventy-two million, eight hundred eighty-five thousand, eight hundred seventy-two".