75954249443712 has 64 divisors (see below), whose sum is σ = 202363002538560. Its totient is φ = 25241593428480.

The previous prime is 75954249443711. The next prime is 75954249443729. The reversal of 75954249443712 is 21734494245957.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×75954249443712² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75954249443711) 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, 298660698 + ... + 298914905.

It is an arithmetic number, because the mean of its divisors is an integer number (3161921914665).

Almost surely, 2^{75954249443712} is an apocalyptic number.

It is an amenable number.

75954249443712 is an abundant number, since it is smaller than the sum of its proper divisors (126408753094848).

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

75954249443712 is a wasteful number, since it uses less digits than its factorization.

75954249443712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597575951 (or 597575939 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 66.

The spelling of 75954249443712 in words is "seventy-five trillion, nine hundred fifty-four billion, two hundred forty-nine million, four hundred forty-three thousand, seven hundred twelve".