73993340 has 24 divisors (see below), whose sum is σ = 159587232. Its totient is φ = 28797120.

The previous prime is 73993273. The next prime is 73993349. The reversal of 73993340 is 4339937.

It is a junction number, because it is equal to n+sod(n) for n = 73993294 and 73993303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73993349) 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, 49256 + ... + 50735.

It is an arithmetic number, because the mean of its divisors is an integer number (6649468).

Almost surely, 2^73993340 is an apocalyptic number.

It is an amenable number.

73993340 is an abundant number, since it is smaller than the sum of its proper divisors (85593892).

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

73993340 is a wasteful number, since it uses less digits than its factorization.

73993340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100037 (or 100035 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 73993340 is about 8601.9381536954. The cubic root of 73993340 is about 419.8210499936.

The spelling of 73993340 in words is "seventy-three million, nine hundred ninety-three thousand, three hundred forty".