73411521 has 8 divisors (see below), whose sum is σ = 98017440. Its totient is φ = 48873312.

The previous prime is 73411489. The next prime is 73411537. The reversal of 73411521 is 12511437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73411521 - 2⁵ = 73411489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73411491 and 73411500.

It is not an unprimeable number, because it can be changed into a prime (73411571) 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, 14340 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (12252180).

Almost surely, 2^73411521 is an apocalyptic number.

It is an amenable number.

73411521 is a deficient number, since it is larger than the sum of its proper divisors (24605919).

73411521 is a wasteful number, since it uses less digits than its factorization.

73411521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33855.

The product of its digits is 840, while the sum is 24.

The square root of 73411521 is about 8568.0523457785. The cubic root of 73411521 is about 418.7177845269.

Adding to 73411521 its reverse (12511437), we get a palindrome (85922958).

The spelling of 73411521 in words is "seventy-three million, four hundred eleven thousand, five hundred twenty-one".