75399108426756 has 243 divisors, whose sum is σ = 204777063557703. Its totient is φ = 23388550636320.

The previous prime is 75399108426743. The next prime is 75399108426767. The reversal of 75399108426756 is 65762480199357.

The square root of 75399108426756 is 8683266.

It is a perfect power (a square), and thus also a powerful number.

75399108426756 is a `hidden beast` number, since 7 + 5 + 3 + 99 + 108 + 426 + 7 + 5 + 6 = 666.

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 80 ways as a sum of consecutive naturals, for example, 58403646471 + ... + 58403647761.

It is a 1-persistent number, because it is pandigital, but 2⋅75399108426756 = 150798216853512 is not.

Almost surely, 2^{75399108426756} is an apocalyptic number.

75399108426756 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

75399108426756 is the 8683266-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75399108426756

75399108426756 is an abundant number, since it is smaller than the sum of its proper divisors (129377955130947).

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

75399108426756 is a wasteful number, since it uses less digits than its factorization.

75399108426756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 685843200, while the sum is 72.

The spelling of 75399108426756 in words is "seventy-five trillion, three hundred ninety-nine billion, one hundred eight million, four hundred twenty-six thousand, seven hundred fifty-six".