4155072 has 112 divisors (see below), whose sum is σ = 12435840. Its totient is φ = 1216512.

The previous prime is 4155061. The next prime is 4155077. The reversal of 4155072 is 2705514.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (4155077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61983 + ... + 62049.

Almost surely, 2^4155072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4155072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6217920).

4155072 is an abundant number, since it is smaller than the sum of its proper divisors (8280768).

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

4155072 is a wasteful number, since it uses less digits than its factorization.

4155072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 4155072 is about 2038.3993720564. The cubic root of 4155072 is about 160.7654984021.

The spelling of 4155072 in words is "four million, one hundred fifty-five thousand, seventy-two".