75015142072 has 32 divisors (see below), whose sum is σ = 160383056400. Its totient is φ = 32585762304.

The previous prime is 75015142057. The next prime is 75015142093. The reversal of 75015142072 is 27024151057.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21212922 + ... + 21216457.

Almost surely, 2^75015142072 is an apocalyptic number.

It is an amenable number.

75015142072 is an abundant number, since it is smaller than the sum of its proper divisors (85367914328).

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

75015142072 is a wasteful number, since it uses less digits than its factorization.

75015142072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42429415 (or 42429411 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The spelling of 75015142072 in words is "seventy-five billion, fifteen million, one hundred forty-two thousand, seventy-two".