75702542142 has 16 divisors (see below), whose sum is σ = 154626469632. Its totient is φ = 24697283160.

The previous prime is 75702542119. The next prime is 75702542173. The reversal of 75702542142 is 24124520757.

It is a happy number.

It is a super-2 number, since 2×75702542142² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75702542142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134224084 + ... + 134224647.

It is an arithmetic number, because the mean of its divisors is an integer number (9664154352).

Almost surely, 2^75702542142 is an apocalyptic number.

75702542142 is an abundant number, since it is smaller than the sum of its proper divisors (78923927490).

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

75702542142 is a wasteful number, since it uses less digits than its factorization.

75702542142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268448783.

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 75702542142 in words is "seventy-five billion, seven hundred two million, five hundred forty-two thousand, one hundred forty-two".