73336540 has 12 divisors (see below), whose sum is σ = 154006776. Its totient is φ = 29334608.

The previous prime is 73336537. The next prime is 73336583. The reversal of 73336540 is 4563337.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833394 + ... + 1833433.

It is an arithmetic number, because the mean of its divisors is an integer number (12833898).

Almost surely, 2^73336540 is an apocalyptic number.

It is an amenable number.

73336540 is an abundant number, since it is smaller than the sum of its proper divisors (80670236).

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

73336540 is a wasteful number, since it uses less digits than its factorization.

73336540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666836 (or 3666834 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 73336540 is about 8563.6756127261. The cubic root of 73336540 is about 418.5751794205.

Adding to 73336540 its reverse (4563337), we get a palindrome (77899877).

It can be divided in two parts, 733 and 36540, that added together give a palindrome (37273).

The spelling of 73336540 in words is "seventy-three million, three hundred thirty-six thousand, five hundred forty".