5172478 has 8 divisors (see below), whose sum is σ = 7948080. Its totient is φ = 2523120.

The previous prime is 5172473. The next prime is 5172481. The reversal of 5172478 is 8742715.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172473) 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, 31458 + ... + 31621.

It is an arithmetic number, because the mean of its divisors is an integer number (993510).

Almost surely, 2^5172478 is an apocalyptic number.

5172478 is a deficient number, since it is larger than the sum of its proper divisors (2775602).

5172478 is a wasteful number, since it uses less digits than its factorization.

5172478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63122.

The product of its digits is 15680, while the sum is 34.

The square root of 5172478 is about 2274.3082464785. The cubic root of 5172478 is about 172.9416311048.

The spelling of 5172478 in words is "five million, one hundred seventy-two thousand, four hundred seventy-eight".