5157730 has 8 divisors (see below), whose sum is σ = 9283932. Its totient is φ = 2063088.

The previous prime is 5157709. The next prime is 5157731. The reversal of 5157730 is 377515.

It can be written as a sum of positive squares in 2 ways, for example, as 5157441 + 289 = 2271^2 + 17^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5157731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257877 + ... + 257896.

Almost surely, 2^5157730 is an apocalyptic number.

5157730 is a deficient number, since it is larger than the sum of its proper divisors (4126202).

5157730 is a wasteful number, since it uses less digits than its factorization.

5157730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515780.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 5157730 is about 2271.0636274662. The cubic root of 5157730 is about 172.7771083430. Note that the first 3 decimals are identical.

The spelling of 5157730 in words is "five million, one hundred fifty-seven thousand, seven hundred thirty".