7329025621 has 4 divisors (see below), whose sum is σ = 7449173644. Its totient is φ = 7208877600.

The previous prime is 7329025619. The next prime is 7329025633. The reversal of 7329025621 is 1265209237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1265209237 = 31601 ⋅40037.

It can be written as a sum of positive squares in 2 ways, for example, as 3313268721 + 4015756900 = 57561^2 + 63370^2 .

It is a cyclic number.

It is not a de Polignac number, because 7329025621 - 2¹ = 7329025619 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 (7329025321) 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, 60073920 + ... + 60074041.

It is an arithmetic number, because the mean of its divisors is an integer number (1862293411).

Almost surely, 2^7329025621 is an apocalyptic number.

It is an amenable number.

7329025621 is a deficient number, since it is larger than the sum of its proper divisors (120148023).

7329025621 is a wasteful number, since it uses less digits than its factorization.

7329025621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120148022.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 7329025621 is about 85609.7285417960. The cubic root of 7329025621 is about 1942.4450714072.

The spelling of 7329025621 in words is "seven billion, three hundred twenty-nine million, twenty-five thousand, six hundred twenty-one".