4072249306 has 4 divisors (see below), whose sum is σ = 6108373962. Its totient is φ = 2036124652.

The previous prime is 4072249243. The next prime is 4072249333. The reversal of 4072249306 is 6039422704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3932418681 + 139830625 = 62709^2 + 11825^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018062325 + ... + 1018062328.

Almost surely, 2^4072249306 is an apocalyptic number.

4072249306 is a deficient number, since it is larger than the sum of its proper divisors (2036124656).

4072249306 is a wasteful number, since it uses less digits than its factorization.

4072249306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036124655.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 4072249306 is about 63814.1779387622. The cubic root of 4072249306 is about 1596.9014650179.

The spelling of 4072249306 in words is "four billion, seventy-two million, two hundred forty-nine thousand, three hundred six".