7489874668 has 12 divisors (see below), whose sum is σ = 13139330680. Its totient is φ = 3735780192.

The previous prime is 7489874647. The next prime is 7489874729. The reversal of 7489874668 is 8664789847.

It is a super-2 number, since 2×7489874668² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287446 + ... + 2290717.

Almost surely, 2^7489874668 is an apocalyptic number.

It is an amenable number.

7489874668 is a deficient number, since it is larger than the sum of its proper divisors (5649456012).

7489874668 is a wasteful number, since it uses less digits than its factorization.

7489874668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578576 (or 4578574 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 67.

The square root of 7489874668 is about 86544.0620031207. The cubic root of 7489874668 is about 1956.5525497782.

The spelling of 7489874668 in words is "seven billion, four hundred eighty-nine million, eight hundred seventy-four thousand, six hundred sixty-eight".