72733567890 has 64 divisors (see below), whose sum is σ = 184913093376. Its totient is φ = 18246377472.

The previous prime is 72733567859. The next prime is 72733567903. The reversal of 72733567890 is 9876533727.

It is a super-3 number, since 3×72733567890³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72733567890.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1127859 + ... + 1190601.

It is an arithmetic number, because the mean of its divisors is an integer number (2889267084).

Almost surely, 2^72733567890 is an apocalyptic number.

72733567890 is an abundant number, since it is smaller than the sum of its proper divisors (112179525486).

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

72733567890 is a wasteful number, since it uses less digits than its factorization.

72733567890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65043.

The product of its (nonzero) digits is 13335840, while the sum is 57.

The spelling of 72733567890 in words is "seventy-two billion, seven hundred thirty-three million, five hundred sixty-seven thousand, eight hundred ninety".