73691934642 has 24 divisors (see below), whose sum is σ = 164816371200. Its totient is φ = 23771591640.

The previous prime is 73691934637. The next prime is 73691934649. The reversal of 73691934642 is 24643919637.

It is a happy number.

73691934642 is a `hidden beast` number, since 7 + 3 + 6 + 91 + 93 + 464 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (73691934649) 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 11 ways as a sum of consecutive naturals, for example, 66031642 + ... + 66032757.

It is an arithmetic number, because the mean of its divisors is an integer number (6867348800).

Almost surely, 2^73691934642 is an apocalyptic number.

73691934642 is an abundant number, since it is smaller than the sum of its proper divisors (91124436558).

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

73691934642 is a wasteful number, since it uses less digits than its factorization.

73691934642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132064438 (or 132064435 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 73691934642 in words is "seventy-three billion, six hundred ninety-one million, nine hundred thirty-four thousand, six hundred forty-two".