73617315042442 has 4 divisors (see below), whose sum is σ = 110425972563666. Its totient is φ = 36808657521220.

The previous prime is 73617315042347. The next prime is 73617315042457. The reversal of 73617315042442 is 24424051371637.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72429103859841 + 1188211182601 = 8510529^2 + 1090051^2 .

It is a super-2 number, since 2×73617315042442² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18404328760609 + ... + 18404328760612.

Almost surely, 2^{73617315042442} is an apocalyptic number.

73617315042442 is a deficient number, since it is larger than the sum of its proper divisors (36808657521224).

73617315042442 is a wasteful number, since it uses less digits than its factorization.

73617315042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36808657521223.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 73617315042442 in words is "seventy-three trillion, six hundred seventeen billion, three hundred fifteen million, forty-two thousand, four hundred forty-two".