6519972 has 24 divisors (see below), whose sum is σ = 15472800. Its totient is φ = 2136256.

The previous prime is 6519941. The next prime is 6519973. The reversal of 6519972 is 2799156.

6519972 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6519972.

It is not an unprimeable number, because it can be changed into a prime (6519973) 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, 3897 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (644700).

Almost surely, 2^6519972 is an apocalyptic number.

It is an amenable number.

6519972 is an abundant number, since it is smaller than the sum of its proper divisors (8952828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6519972 is a wasteful number, since it uses less digits than its factorization.

6519972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275 (or 9273 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 6519972 is about 2553.4235841317. The cubic root of 6519972 is about 186.8165052583.

The spelling of 6519972 in words is "six million, five hundred nineteen thousand, nine hundred seventy-two".