73540987176966 has 32 divisors (see below), whose sum is σ = 148264922171520. Its totient is φ = 24316801575936.

The previous prime is 73540987176959. The next prime is 73540987176967. The reversal of 73540987176966 is 66967178904537.

It is a junction number, because it is equal to n+sod(n) for n = 73540987176891 and 73540987176900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73540987176967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36153531 + ... + 38133446.

It is an arithmetic number, because the mean of its divisors is an integer number (4633278817860).

Almost surely, 2^{73540987176966} is an apocalyptic number.

73540987176966 is an abundant number, since it is smaller than the sum of its proper divisors (74723934994554).

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

73540987176966 is a wasteful number, since it uses less digits than its factorization.

73540987176966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74288308.

The product of its (nonzero) digits is 2880541440, while the sum is 78.

The spelling of 73540987176966 in words is "seventy-three trillion, five hundred forty billion, nine hundred eighty-seven million, one hundred seventy-six thousand, nine hundred sixty-six".