5420742172 has 12 divisors (see below), whose sum is σ = 9497831056. Its totient is φ = 2707076160.

The previous prime is 5420742169. The next prime is 5420742191. The reversal of 5420742172 is 2712470245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820029 + ... + 826612.

Almost surely, 2^5420742172 is an apocalyptic number.

It is an amenable number.

5420742172 is a deficient number, since it is larger than the sum of its proper divisors (4077088884).

5420742172 is a wasteful number, since it uses less digits than its factorization.

5420742172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647468 (or 1647466 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 5420742172 is about 73625.6896198603. The cubic root of 5420742172 is about 1756.6540869436.

The spelling of 5420742172 in words is "five billion, four hundred twenty million, seven hundred forty-two thousand, one hundred seventy-two".