73078855012244 has 6 divisors (see below), whose sum is σ = 127887996271434. Its totient is φ = 36539427506120.

The previous prime is 73078855012193. The next prime is 73078855012291. The reversal of 73078855012244 is 44221055887037.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 46895268352144 + 26183586660100 = 6848012^2 + 5116990^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73078855012244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9134856876527 + ... + 9134856876534.

It is an arithmetic number, because the mean of its divisors is an integer number (21314666045239).

Almost surely, 2^{73078855012244} is an apocalyptic number.

It is an amenable number.

73078855012244 is a deficient number, since it is larger than the sum of its proper divisors (54809141259190).

73078855012244 is a wasteful number, since it uses less digits than its factorization.

73078855012244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18269713753065 (or 18269713753063 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 73078855012244 in words is "seventy-three trillion, seventy-eight billion, eight hundred fifty-five million, twelve thousand, two hundred forty-four".