73404463776 has 48 divisors (see below), whose sum is σ = 220213393344. Its totient is φ = 20972703744.

The previous prime is 73404463771. The next prime is 73404463819. The reversal of 73404463776 is 67736440437.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (73404463771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54615745 + ... + 54617088.

It is an arithmetic number, because the mean of its divisors is an integer number (4587779028).

Almost surely, 2^73404463776 is an apocalyptic number.

It is an amenable number.

73404463776 is an abundant number, since it is smaller than the sum of its proper divisors (146808929568).

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

73404463776 is a wasteful number, since it uses less digits than its factorization.

73404463776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109232853 (or 109232845 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 51.

The spelling of 73404463776 in words is "seventy-three billion, four hundred four million, four hundred sixty-three thousand, seven hundred seventy-six".