4392072 has 24 divisors (see below), whose sum is σ = 11895390. Its totient is φ = 1464000.

The previous prime is 4392013. The next prime is 4392077. The reversal of 4392072 is 2702934.

It can be written as a sum of positive squares in only one way, i.e., 3481956 + 910116 = 1866^2 + 954^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (4392077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30429 + ... + 30572.

Almost surely, 2^4392072 is an apocalyptic number.

It is an amenable number.

4392072 is an abundant number, since it is smaller than the sum of its proper divisors (7503318).

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

4392072 is a wasteful number, since it uses less digits than its factorization.

4392072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61013 (or 61006 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4392072 is about 2095.7270814684. The cubic root of 4392072 is about 163.7657770864.

The spelling of 4392072 in words is "four million, three hundred ninety-two thousand, seventy-two".