75523671642 has 16 divisors (see below), whose sum is σ = 151080602400. Its totient is φ = 25169014032.

The previous prime is 75523671607. The next prime is 75523671647. The reversal of 75523671642 is 24617632557.

It is a junction number, because it is equal to n+sod(n) for n = 75523671591 and 75523671600.

It is not an unprimeable number, because it can be changed into a prime (75523671647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356228 + ... + 1410815.

It is an arithmetic number, because the mean of its divisors is an integer number (9442537650).

Almost surely, 2^75523671642 is an apocalyptic number.

75523671642 is an abundant number, since it is smaller than the sum of its proper divisors (75556930758).

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

75523671642 is a wasteful number, since it uses less digits than its factorization.

75523671642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771597.

The product of its digits is 2116800, while the sum is 48.

The spelling of 75523671642 in words is "seventy-five billion, five hundred twenty-three million, six hundred seventy-one thousand, six hundred forty-two".