73534535320 has 32 divisors (see below), whose sum is σ = 166144996800. Its totient is φ = 29290739968.

The previous prime is 73534535309. The next prime is 73534535359. The reversal of 73534535320 is 2353543537.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3836389 + ... + 3855508.

It is an arithmetic number, because the mean of its divisors is an integer number (5192031150).

Almost surely, 2^73534535320 is an apocalyptic number.

It is an amenable number.

73534535320 is an abundant number, since it is smaller than the sum of its proper divisors (92610461480).

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

73534535320 is a wasteful number, since it uses less digits than its factorization.

73534535320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692147 (or 7692143 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 40.

The spelling of 73534535320 in words is "seventy-three billion, five hundred thirty-four million, five hundred thirty-five thousand, three hundred twenty".