75404948742 has 12 divisors (see below), whose sum is σ = 163377388980. Its totient is φ = 25134982908.

The previous prime is 75404948741. The next prime is 75404948767. The reversal of 75404948742 is 24784940457.

75404948742 is a `hidden beast` number, since 7 + 540 + 4 + 94 + 8 + 7 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75404948741) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2094581892 + ... + 2094581927.

It is an arithmetic number, because the mean of its divisors is an integer number (13614782415).

Almost surely, 2^75404948742 is an apocalyptic number.

75404948742 is an abundant number, since it is smaller than the sum of its proper divisors (87972440238).

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

75404948742 is a wasteful number, since it uses less digits than its factorization.

75404948742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189163827 (or 4189163824 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 75404948742 in words is "seventy-five billion, four hundred four million, nine hundred forty-eight thousand, seven hundred forty-two".