6575425920 has 768 divisors, whose sum is σ = 28148964480. Its totient is φ = 1380188160.

The previous prime is 6575425907. The next prime is 6575425933. The reversal of 6575425920 is 295245756.

6575425920 is a `hidden beast` number, since 6 + 5 + 7 + 54 + 2 + 592 + 0 = 666.

It is a Cunningham number, because it is equal to 81089²-1.

It is an interprime number because it is at equal distance from previous prime (6575425907) and next prime (6575425933).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36328230 + ... + 36328410.

Almost surely, 2^6575425920 is an apocalyptic number.

6575425920 is a gapful number since it is divisible by the number (60) 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 6575425920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14074482240).

6575425920 is an abundant number, since it is smaller than the sum of its proper divisors (21573538560).

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

6575425920 is a wasteful number, since it uses less digits than its factorization.

6575425920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 6575425920 is about 81088.9999938339. Note that the first 5 decimals coincide. The cubic root of 6575425920 is about 1873.4465041692.

The spelling of 6575425920 in words is "six billion, five hundred seventy-five million, four hundred twenty-five thousand, nine hundred twenty".