7487748329 has 2 divisors, whose sum is σ = 7487748330. Its totient is φ = 7487748328.

The previous prime is 7487748259. The next prime is 7487748337. The reversal of 7487748329 is 9238477847.

7487748329 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6585647104 + 902101225 = 81152^2 + 30035^2 .

It is an emirp because it is prime and its reverse (9238477847) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7487748329 is a prime.

It is not a weakly prime, because it can be changed into another prime (7487748529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743874164 + 3743874165.

It is an arithmetic number, because the mean of its divisors is an integer number (3743874165).

Almost surely, 2^7487748329 is an apocalyptic number.

It is an amenable number.

7487748329 is a deficient number, since it is larger than the sum of its proper divisors (1).

7487748329 is an equidigital number, since it uses as much as digits as its factorization.

7487748329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18966528, while the sum is 59.

The square root of 7487748329 is about 86531.7764119055. The cubic root of 7487748329 is about 1956.3673803357.

The spelling of 7487748329 in words is "seven billion, four hundred eighty-seven million, seven hundred forty-eight thousand, three hundred twenty-nine".