73332040 has 32 divisors (see below), whose sum is σ = 165586680. Its totient is φ = 29228032.

The previous prime is 73332037. The next prime is 73332047. The reversal of 73332040 is 4023337.

It can be written as a sum of positive squares in 4 ways, for example, as 71605444 + 1726596 = 8462^2 + 1314^2 .

It is not an unprimeable number, because it can be changed into a prime (73332047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8592 + ... + 14848.

Almost surely, 2^73332040 is an apocalyptic number.

It is an amenable number.

73332040 is an abundant number, since it is smaller than the sum of its proper divisors (92254640).

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

73332040 is a wasteful number, since it uses less digits than its factorization.

73332040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 73332040 is about 8563.4128710462. The cubic root of 73332040 is about 418.5666178547.

Adding to 73332040 its reverse (4023337), we get a palindrome (77355377).

The spelling of 73332040 in words is "seventy-three million, three hundred thirty-two thousand, forty".