4072947625 has 8 divisors (see below), whose sum is σ = 5083038792. Its totient is φ = 3258358000.

The previous prime is 4072947611. The next prime is 4072947677. The reversal of 4072947625 is 5267492704.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 452157696 + 3620789929 = 21264^2 + 60173^2 .

It is not a de Polignac number, because 4072947625 - 2¹⁹ = 4072423337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16291666 + ... + 16291915.

It is an arithmetic number, because the mean of its divisors is an integer number (635379849).

Almost surely, 2^4072947625 is an apocalyptic number.

It is an amenable number.

4072947625 is a deficient number, since it is larger than the sum of its proper divisors (1010091167).

4072947625 is an equidigital number, since it uses as much as digits as its factorization.

4072947625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32583596 (or 32583586 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 4072947625 is about 63819.6492077479. The cubic root of 4072947625 is about 1596.9927399550.

The spelling of 4072947625 in words is "four billion, seventy-two million, nine hundred forty-seven thousand, six hundred twenty-five".