75728333724751 has 8 divisors (see below), whose sum is σ = 76463864041760. Its totient is φ = 74992809249792.

The previous prime is 75728333724607. The next prime is 75728333724809. The reversal of 75728333724751 is 15742733382757.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75728333724751 - 2²⁵ = 75728300170319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75728333727751) 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, 27334171 + ... + 29976883.

It is an arithmetic number, because the mean of its divisors is an integer number (9557983005220).

Almost surely, 2^{75728333724751} is an apocalyptic number.

75728333724751 is a deficient number, since it is larger than the sum of its proper divisors (735530317009).

75728333724751 is a wasteful number, since it uses less digits than its factorization.

75728333724751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921025.

The product of its digits is 207446400, while the sum is 64.

The spelling of 75728333724751 in words is "seventy-five trillion, seven hundred twenty-eight billion, three hundred thirty-three million, seven hundred twenty-four thousand, seven hundred fifty-one".