7489304648 has 24 divisors (see below), whose sum is σ = 16335091350. Its totient is φ = 3209701824.

The previous prime is 7489304621. The next prime is 7489304741. The reversal of 7489304648 is 8464039847.

It can be written as a sum of positive squares in only one way, i.e., 7228740484 + 260564164 = 85022^2 + 16142^2 .

It is a super-2 number, since 2×7489304648² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7489304648.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 9552293 + ... + 9553076.

Almost surely, 2^7489304648 is an apocalyptic number.

It is an amenable number.

7489304648 is an abundant number, since it is smaller than the sum of its proper divisors (8845786702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7489304648 is a wasteful number, since it uses less digits than its factorization.

7489304648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19105389 (or 19105378 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The square root of 7489304648 is about 86540.7687046978. The cubic root of 7489304648 is about 1956.5029137728.

The spelling of 7489304648 in words is "seven billion, four hundred eighty-nine million, three hundred four thousand, six hundred forty-eight".