73285722 has 40 divisors (see below), whose sum is σ = 166490676. Its totient is φ = 24090048.

The previous prime is 73285721. The next prime is 73285727. The reversal of 73285722 is 22758237.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73256481 + 29241 = 8559^2 + 171^2 .

It is a super-2 number, since 2×73285722² = 10741594098122568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73285721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8728 + ... + 14924.

Almost surely, 2^73285722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73285722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83245338).

73285722 is an abundant number, since it is smaller than the sum of its proper divisors (93204954).

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

73285722 is a wasteful number, since it uses less digits than its factorization.

73285722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284 (or 6275 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 73285722 is about 8560.7080314656. The cubic root of 73285722 is about 418.4784742464.

The spelling of 73285722 in words is "seventy-three million, two hundred eighty-five thousand, seven hundred twenty-two".