73575551536 has 20 divisors (see below), whose sum is σ = 147468240000. Its totient is φ = 35519231552.

The previous prime is 73575551519. The next prime is 73575551537. The reversal of 73575551536 is 63515557537.

It is not an unprimeable number, because it can be changed into a prime (73575551537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79283536 + ... + 79284463.

It is an arithmetic number, because the mean of its divisors is an integer number (7373412000).

Almost surely, 2^73575551536 is an apocalyptic number.

It is an amenable number.

73575551536 is an abundant number, since it is smaller than the sum of its proper divisors (73892688464).

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

73575551536 is a wasteful number, since it uses less digits than its factorization.

73575551536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158568036 (or 158568030 counting only the distinct ones).

The product of its digits is 8268750, while the sum is 52.

The spelling of 73575551536 in words is "seventy-three billion, five hundred seventy-five million, five hundred fifty-one thousand, five hundred thirty-six".