73718156103 has 4 divisors (see below), whose sum is σ = 98290874808. Its totient is φ = 49145437400.

The previous prime is 73718156081. The next prime is 73718156111. The reversal of 73718156103 is 30165181737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30165181737 = 3 ⋅10055060579.

It is a cyclic number.

It is not a de Polignac number, because 73718156103 - 2²² = 73713961799 is a prime.

It is a super-2 number, since 2×73718156103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73718156153) 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 3 ways as a sum of consecutive naturals, for example, 12286359348 + ... + 12286359353.

It is an arithmetic number, because the mean of its divisors is an integer number (24572718702).

Almost surely, 2^73718156103 is an apocalyptic number.

73718156103 is a deficient number, since it is larger than the sum of its proper divisors (24572718705).

73718156103 is a wasteful number, since it uses less digits than its factorization.

73718156103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24572718704.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 73718156103 in words is "seventy-three billion, seven hundred eighteen million, one hundred fifty-six thousand, one hundred three".