75447400201712 has 120 divisors (see below), whose sum is σ = 183711105257568. Its totient is φ = 29382146703360.

The previous prime is 75447400201673. The next prime is 75447400201751. The reversal of 75447400201712 is 21710200474457.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (75447400201673) and next prime (75447400201751).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29579048 + ... + 32028344.

Almost surely, 2^{75447400201712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75447400201712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91855552628784).

75447400201712 is an abundant number, since it is smaller than the sum of its proper divisors (108263705055856).

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

75447400201712 is a wasteful number, since it uses less digits than its factorization.

75447400201712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451607 (or 2451590 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 44.

The spelling of 75447400201712 in words is "seventy-five trillion, four hundred forty-seven billion, four hundred million, two hundred one thousand, seven hundred twelve".