4372128 has 144 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 1271808.

The previous prime is 4372091. The next prime is 4372133. The reversal of 4372128 is 8212734.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93001 + ... + 93047.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

Almost surely, 2^4372128 is an apocalyptic number.

4372128 is a gapful number since it is divisible by the number (48) 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 4372128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7076160).

4372128 is an abundant number, since it is smaller than the sum of its proper divisors (9780192).

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

4372128 is a wasteful number, since it uses less digits than its factorization.

4372128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 88 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 4372128 is about 2090.9634143141. The cubic root of 4372128 is about 163.5175190946.

Subtracting 4372128 from its reverse (8212734), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 4372128 in words is "four million, three hundred seventy-two thousand, one hundred twenty-eight".