73320340 has 24 divisors (see below), whose sum is σ = 154234080. Its totient is φ = 29278368.

The previous prime is 73320293. The next prime is 73320419. The reversal of 73320340 is 4302337.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10399 + ... + 15961.

It is an arithmetic number, because the mean of its divisors is an integer number (6426420).

Almost surely, 2^73320340 is an apocalyptic number.

It is an amenable number.

73320340 is an abundant number, since it is smaller than the sum of its proper divisors (80913740).

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

73320340 is a wasteful number, since it uses less digits than its factorization.

73320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231 (or 6229 counting only the distinct ones).

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

The square root of 73320340 is about 8562.7297049481. The cubic root of 73320340 is about 418.5443561443.

Adding to 73320340 its reverse (4302337), we get a palindrome (77622677).

The spelling of 73320340 in words is "seventy-three million, three hundred twenty thousand, three hundred forty".