5172730 has 16 divisors (see below), whose sum is σ = 9632520. Its totient is φ = 1997632.

The previous prime is 5172703. The next prime is 5172733. The reversal of 5172730 is 372715.

It can be written as a sum of positive squares in 4 ways, for example, as 4844401 + 328329 = 2201^2 + 573^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5172695 and 5172704.

It is not an unprimeable number, because it can be changed into a prime (5172733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8629 + ... + 9208.

Almost surely, 2^5172730 is an apocalyptic number.

5172730 is a deficient number, since it is larger than the sum of its proper divisors (4459790).

5172730 is a wasteful number, since it uses less digits than its factorization.

5172730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17873.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 5172730 is about 2274.3636472649. The cubic root of 5172730 is about 172.9444395964.

The spelling of 5172730 in words is "five million, one hundred seventy-two thousand, seven hundred thirty".