755665500672 has 200 divisors, whose sum is σ = 2303457051456. Its totient is φ = 246528534528.

The previous prime is 755665500643. The next prime is 755665500697. The reversal of 755665500672 is 276005566557.

It is a happy number.

755665500672 is a `hidden beast` number, since 7 + 5 + 5 + 6 + 65 + 500 + 6 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1755343 + ... + 2143025.

Almost surely, 2^755665500672 is an apocalyptic number.

755665500672 is a gapful number since it is divisible by the number (72) 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 755665500672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151728525728).

755665500672 is an abundant number, since it is smaller than the sum of its proper divisors (1547791550784).

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

755665500672 is an equidigital number, since it uses as much as digits as its factorization.

755665500672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387760 (or 387735 counting only the distinct ones).

The product of its (nonzero) digits is 13230000, while the sum is 54.

The spelling of 755665500672 in words is "seven hundred fifty-five billion, six hundred sixty-five million, five hundred thousand, six hundred seventy-two".