76272001521 has 8 divisors (see below), whose sum is σ = 103859746944. Its totient is φ = 49766128560.

The previous prime is 76272001513. The next prime is 76272001573. The reversal of 76272001521 is 12510027267.

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

It is not a de Polignac number, because 76272001521 - 2³ = 76272001513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76272000521) 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, 270467950 + ... + 270468231.

It is an arithmetic number, because the mean of its divisors is an integer number (12982468368).

Almost surely, 2^76272001521 is an apocalyptic number.

It is an amenable number.

76272001521 is a deficient number, since it is larger than the sum of its proper divisors (27587745423).

76272001521 is a wasteful number, since it uses less digits than its factorization.

76272001521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540936231.

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 76272001521 its reverse (12510027267), we get a palindrome (88782028788).

The spelling of 76272001521 in words is "seventy-six billion, two hundred seventy-two million, one thousand, five hundred twenty-one".