73216764 has 96 divisors (see below), whose sum is σ = 199214400. Its totient is φ = 23224320.

The previous prime is 73216733. The next prime is 73216769. The reversal of 73216764 is 46761237.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73216769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303684 + ... + 303924.

It is an arithmetic number, because the mean of its divisors is an integer number (2075150).

Almost surely, 2^73216764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73216764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99607200).

73216764 is an abundant number, since it is smaller than the sum of its proper divisors (125997636).

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

73216764 is a wasteful number, since it uses less digits than its factorization.

73216764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 372 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 73216764 is about 8556.6794961597. The cubic root of 73216764 is about 418.3471776642.

The spelling of 73216764 in words is "seventy-three million, two hundred sixteen thousand, seven hundred sixty-four".