75723755730 has 96 divisors (see below), whose sum is σ = 211594918464. Its totient is φ = 17293014144.

The previous prime is 75723755699. The next prime is 75723755773. The reversal of 75723755730 is 3755732757.

It is a happy 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 47 ways as a sum of consecutive naturals, for example, 1687464 + ... + 1731756.

It is an arithmetic number, because the mean of its divisors is an integer number (2204113734).

Almost surely, 2^75723755730 is an apocalyptic number.

75723755730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 75723755730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105797459232).

75723755730 is an abundant number, since it is smaller than the sum of its proper divisors (135871162734).

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

75723755730 is a wasteful number, since it uses less digits than its factorization.

75723755730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45480 (or 45473 counting only the distinct ones).

The product of its (nonzero) digits is 5402250, while the sum is 51.

The spelling of 75723755730 in words is "seventy-five billion, seven hundred twenty-three million, seven hundred fifty-five thousand, seven hundred thirty".