7489517764 has 9 divisors (see below), whose sum is σ = 13106958991. Its totient is φ = 3744672340.

The previous prime is 7489517747. The next prime is 7489517779. The reversal of 7489517764 is 4677159847.

It is a happy number.

The square root of 7489517764 is 86542.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7489517699 and 7489517708.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 151449 + ... + 194719.

Almost surely, 2^7489517764 is an apocalyptic number.

7489517764 is the 86542-nd square number.

It is an amenable number.

7489517764 is a deficient number, since it is larger than the sum of its proper divisors (5617441227).

7489517764 is an frugal number, since it uses more digits than its factorization.

7489517764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86546 (or 43273 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 58.

The cubic root of 7489517764 is about 1956.5214717093.

The spelling of 7489517764 in words is "seven billion, four hundred eighty-nine million, five hundred seventeen thousand, seven hundred sixty-four".