6475297528 has 64 divisors (see below), whose sum is σ = 14057452800. Its totient is φ = 2738883840.

The previous prime is 6475297513. The next prime is 6475297553. The reversal of 6475297528 is 8257925746.

It is a super-2 number, since 2×6475297528² = 83858956152245821568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4120983 + ... + 4122553.

It is an arithmetic number, because the mean of its divisors is an integer number (219647700).

Almost surely, 2^6475297528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6475297528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7028726400).

6475297528 is an abundant number, since it is smaller than the sum of its proper divisors (7582155272).

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

6475297528 is a wasteful number, since it uses less digits than its factorization.

6475297528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2496 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 55.

The square root of 6475297528 is about 80469.2334249557. The cubic root of 6475297528 is about 1863.8884168501. Note that the first 3 decimals are identical.

The spelling of 6475297528 in words is "six billion, four hundred seventy-five million, two hundred ninety-seven thousand, five hundred twenty-eight".