73476909438816 has 192 divisors, whose sum is σ = 209107031716800. Its totient is φ = 22590492807168.

The previous prime is 73476909438799. The next prime is 73476909438827. The reversal of 73476909438816 is 61883490967437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269198220 + ... + 269471028.

It is an arithmetic number, because the mean of its divisors is an integer number (1089099123525).

Almost surely, 2^{73476909438816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73476909438816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104553515858400).

73476909438816 is an abundant number, since it is smaller than the sum of its proper divisors (135630122277984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73476909438816 is a wasteful number, since it uses less digits than its factorization.

73476909438816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274138 (or 274104 counting only the distinct ones).

The product of its (nonzero) digits is 1316818944, while the sum is 75.

The spelling of 73476909438816 in words is "seventy-three trillion, four hundred seventy-six billion, nine hundred nine million, four hundred thirty-eight thousand, eight hundred sixteen".