75135532636742 has 64 divisors (see below), whose sum is σ = 125220883132800. Its totient is φ = 33630620221440.

The previous prime is 75135532636739. The next prime is 75135532636753. The reversal of 75135532636742 is 24763623553157.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2248944134 + ... + 2248977542.

It is an arithmetic number, because the mean of its divisors is an integer number (1956576298950).

Almost surely, 2^{75135532636742} is an apocalyptic number.

75135532636742 is a deficient number, since it is larger than the sum of its proper divisors (50085350496058).

75135532636742 is a wasteful number, since it uses less digits than its factorization.

75135532636742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49521.

The product of its digits is 95256000, while the sum is 59.

The spelling of 75135532636742 in words is "seventy-five trillion, one hundred thirty-five billion, five hundred thirty-two million, six hundred thirty-six thousand, seven hundred forty-two".