6715493172 has 144 divisors (see below), whose sum is σ = 18588810240. Its totient is φ = 2037657600.

The previous prime is 6715493129. The next prime is 6715493227. The reversal of 6715493172 is 2713945176.

6715493172 is a `hidden beast` number, since 6 + 7 + 1 + 549 + 31 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1563604 + ... + 1567892.

It is an arithmetic number, because the mean of its divisors is an integer number (129088960).

Almost surely, 2^6715493172 is an apocalyptic number.

6715493172 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6715493172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9294405120).

6715493172 is an abundant number, since it is smaller than the sum of its proper divisors (11873317068).

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

6715493172 is a wasteful number, since it uses less digits than its factorization.

6715493172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414 (or 4409 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 6715493172 is about 81948.1126811350. The cubic root of 6715493172 is about 1886.6556359710.

The spelling of 6715493172 in words is "six billion, seven hundred fifteen million, four hundred ninety-three thousand, one hundred seventy-two".