75988956 has 12 divisors (see below), whose sum is σ = 177307592. Its totient is φ = 25329648.

The previous prime is 75988951. The next prime is 75988973. The reversal of 75988956 is 65988957.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 75988896 and 75988905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75988951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166195 + ... + 3166218.

Almost surely, 2^75988956 is an apocalyptic number.

It is an amenable number.

75988956 is an abundant number, since it is smaller than the sum of its proper divisors (101318636).

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

75988956 is a wasteful number, since it uses less digits than its factorization.

75988956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332420 (or 6332418 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 57.

The square root of 75988956 is about 8717.1644472271. The cubic root of 75988956 is about 423.5618396966.

Subtracting from 75988956 its reverse (65988957), we obtain a palindrome (9999999).

The spelling of 75988956 in words is "seventy-five million, nine hundred eighty-eight thousand, nine hundred fifty-six".