75161233782 has 48 divisors (see below), whose sum is σ = 172666402272. Its totient is φ = 23547490560.

The previous prime is 75161233769. The next prime is 75161233787. The reversal of 75161233782 is 28733216157.

75161233782 is a `hidden beast` number, since 7 + 516 + 1 + 23 + 37 + 82 = 666.

It is a super-2 number, since 2×75161233782² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75161233787) 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, 53532 + ... + 391392.

It is an arithmetic number, because the mean of its divisors is an integer number (3597216714).

Almost surely, 2^75161233782 is an apocalyptic number.

75161233782 is an abundant number, since it is smaller than the sum of its proper divisors (97505168490).

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

75161233782 is a wasteful number, since it uses less digits than its factorization.

75161233782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338613 (or 338610 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 75161233782 in words is "seventy-five billion, one hundred sixty-one million, two hundred thirty-three thousand, seven hundred eighty-two".