73500943642 has 144 divisors (see below), whose sum is σ = 144603947520. Its totient is φ = 27871905600.

The previous prime is 73500943609. The next prime is 73500943643. The reversal of 73500943642 is 24634900537.

It is not an unprimeable number, because it can be changed into a prime (73500943643) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31803667 + ... + 31805977.

It is an arithmetic number, because the mean of its divisors is an integer number (1004194080).

Almost surely, 2^73500943642 is an apocalyptic number.

73500943642 is a deficient number, since it is larger than the sum of its proper divisors (71103003878).

73500943642 is a wasteful number, since it uses less digits than its factorization.

73500943642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 73500943642 in words is "seventy-three billion, five hundred million, nine hundred forty-three thousand, six hundred forty-two".