75216442743 has 24 divisors (see below), whose sum is σ = 117013216320. Its totient is φ = 46283140800.

The previous prime is 75216442669. The next prime is 75216442759. The reversal of 75216442743 is 34724461257.

75216442743 is a `hidden beast` number, since 7 + 5 + 216 + 4 + 427 + 4 + 3 = 666.

It is not a de Polignac number, because 75216442743 - 2⁸ = 75216442487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75216440743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2035153 + ... + 2071781.

It is an arithmetic number, because the mean of its divisors is an integer number (4875550680).

Almost surely, 2^75216442743 is an apocalyptic number.

75216442743 is a deficient number, since it is larger than the sum of its proper divisors (41796773577).

75216442743 is a wasteful number, since it uses less digits than its factorization.

75216442743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54199 (or 54196 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 75216442743 in words is "seventy-five billion, two hundred sixteen million, four hundred forty-two thousand, seven hundred forty-three".