7472989221 has 8 divisors (see below), whose sum is σ = 10195706400. Its totient is φ = 4866132432.

The previous prime is 7472989213. The next prime is 7472989229. The reversal of 7472989221 is 1229892747.

It is an interprime number because it is at equal distance from previous prime (7472989213) and next prime (7472989229).

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

It is not a de Polignac number, because 7472989221 - 2³ = 7472989213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7472989229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28964946 + ... + 28965203.

It is an arithmetic number, because the mean of its divisors is an integer number (1274463300).

Almost surely, 2^7472989221 is an apocalyptic number.

It is an amenable number.

7472989221 is a deficient number, since it is larger than the sum of its proper divisors (2722717179).

7472989221 is a wasteful number, since it uses less digits than its factorization.

7472989221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57930195.

The product of its digits is 1016064, while the sum is 51.

The square root of 7472989221 is about 86446.4529116146. The cubic root of 7472989221 is about 1955.0811356450.

The spelling of 7472989221 in words is "seven billion, four hundred seventy-two million, nine hundred eighty-nine thousand, two hundred twenty-one".