5172742 has 8 divisors (see below), whose sum is σ = 7803000. Its totient is φ = 2571744.

The previous prime is 5172733. The next prime is 5172749. The reversal of 5172742 is 2472715.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5172742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172749) 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, 6867 + ... + 7582.

It is an arithmetic number, because the mean of its divisors is an integer number (975375).

Almost surely, 2^5172742 is an apocalyptic number.

5172742 is a deficient number, since it is larger than the sum of its proper divisors (2630258).

5172742 is a wasteful number, since it uses less digits than its factorization.

5172742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14630.

The product of its digits is 3920, while the sum is 28.

The square root of 5172742 is about 2274.3662853639. The cubic root of 5172742 is about 172.9445733318.

The spelling of 5172742 in words is "five million, one hundred seventy-two thousand, seven hundred forty-two".