2973872 has 40 divisors (see below), whose sum is σ = 6411792. Its totient is φ = 1324800.

The previous prime is 2973871. The next prime is 2973881. The reversal of 2973872 is 2783792.

2973872 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2973871) 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, 10598 + ... + 10874.

2^2973872 is an apocalyptic number.

2973872 is a gapful number since it is divisible by the number (22) 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 2973872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3205896).

2973872 is an abundant number, since it is smaller than the sum of its proper divisors (3437920).

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

2973872 is a wasteful number, since it uses less digits than its factorization.

2973872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 351 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 2973872 is about 1724.4918092006. The cubic root of 2973872 is about 143.8050345040.

The spelling of 2973872 in words is "two million, nine hundred seventy-three thousand, eight hundred seventy-two".