75999958 has 16 divisors (see below), whose sum is σ = 120017376. Its totient is φ = 36023680.

The previous prime is 75999953. The next prime is 75999967. The reversal of 75999958 is 85999957.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75999896 and 75999905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75999953) 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, 2113 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (7501086).

Almost surely, 2^75999958 is an apocalyptic number.

75999958 is a deficient number, since it is larger than the sum of its proper divisors (44017418).

75999958 is a wasteful number, since it uses less digits than its factorization.

75999958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14759.

The product of its digits is 9185400, while the sum is 61.

The square root of 75999958 is about 8717.7954782158. The cubic root of 75999958 is about 423.5822803971.

Subtracting 75999958 from its reverse (85999957), we obtain a palindrome (9999999).

The spelling of 75999958 in words is "seventy-five million, nine hundred ninety-nine thousand, nine hundred fifty-eight".