75309811382 has 16 divisors (see below), whose sum is σ = 121700208672. Its totient is φ = 34745260800.

The previous prime is 75309811373. The next prime is 75309811387. The reversal of 75309811382 is 28311890357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75309811387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475994 + ... + 614157.

It is an arithmetic number, because the mean of its divisors is an integer number (7606263042).

Almost surely, 2^75309811382 is an apocalyptic number.

75309811382 is a deficient number, since it is larger than the sum of its proper divisors (46390397290).

75309811382 is a wasteful number, since it uses less digits than its factorization.

75309811382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092823.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 75309811382 in words is "seventy-five billion, three hundred nine million, eight hundred eleven thousand, three hundred eighty-two".