73411540 has 48 divisors (see below), whose sum is σ = 158054400. Its totient is φ = 28634112.

The previous prime is 73411537. The next prime is 73411553. The reversal of 73411540 is 4511437.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 153021 + ... + 153499.

It is an arithmetic number, because the mean of its divisors is an integer number (3292800).

Almost surely, 2^73411540 is an apocalyptic number.

It is an amenable number.

73411540 is an abundant number, since it is smaller than the sum of its proper divisors (84642860).

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

73411540 is a wasteful number, since it uses less digits than its factorization.

73411540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 73411540 is about 8568.0534545485. The cubic root of 73411540 is about 418.7178206504.

Adding to 73411540 its reverse (4511437), we get a palindrome (77922977).

The spelling of 73411540 in words is "seventy-three million, four hundred eleven thousand, five hundred forty".