4045472 has 12 divisors (see below), whose sum is σ = 7964586. Its totient is φ = 2022720.

The previous prime is 4045421. The next prime is 4045501. The reversal of 4045472 is 2745404.

It can be written as a sum of positive squares in only one way, i.e., 2972176 + 1073296 = 1724^2 + 1036^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63179 + ... + 63242.

Almost surely, 2^4045472 is an apocalyptic number.

It is an amenable number.

4045472 is a deficient number, since it is larger than the sum of its proper divisors (3919114).

4045472 is a wasteful number, since it uses less digits than its factorization.

4045472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126431 (or 126423 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 4045472 is about 2011.3358744874. The cubic root of 4045472 is about 159.3393592993.

The spelling of 4045472 in words is "four million, forty-five thousand, four hundred seventy-two".