73109012102 has 32 divisors (see below), whose sum is σ = 129966799872. Its totient is φ = 30189612384.

The previous prime is 73109012101. The next prime is 73109012129. The reversal of 73109012102 is 20121090137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73109012101) 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 15 ways as a sum of consecutive naturals, for example, 631778 + ... + 738485.

It is an arithmetic number, because the mean of its divisors is an integer number (4061462496).

Almost surely, 2^73109012102 is an apocalyptic number.

73109012102 is a deficient number, since it is larger than the sum of its proper divisors (56857787770).

73109012102 is a wasteful number, since it uses less digits than its factorization.

73109012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370412.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 73109012102 in words is "seventy-three billion, one hundred nine million, twelve thousand, one hundred two".