7272328501 has 4 divisors (see below), whose sum is σ = 7273151532. Its totient is φ = 7271505472.

The previous prime is 7272328487. The next prime is 7272328507. The reversal of 7272328501 is 1058232727.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2939266225 + 4333062276 = 54215^2 + 65826^2 .

It is a cyclic number.

It is not a de Polignac number, because 7272328501 - 2⁹ = 7272327989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272328507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398116 + ... + 415981.

It is an arithmetic number, because the mean of its divisors is an integer number (1818287883).

Almost surely, 2^7272328501 is an apocalyptic number.

It is an amenable number.

7272328501 is a deficient number, since it is larger than the sum of its proper divisors (823031).

7272328501 is an equidigital number, since it uses as much as digits as its factorization.

7272328501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823030.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 7272328501 is about 85277.9485037017. The cubic root of 7272328501 is about 1937.4232006520.

The spelling of 7272328501 in words is "seven billion, two hundred seventy-two million, three hundred twenty-eight thousand, five hundred one".