7478494892 has 12 divisors (see below), whose sum is σ = 14277126696. Its totient is φ = 3399315840.

The previous prime is 7478494889. The next prime is 7478494913. The reversal of 7478494892 is 2984948747.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 84982853 + ... + 84982940.

It is an arithmetic number, because the mean of its divisors is an integer number (1189760558).

Almost surely, 2^7478494892 is an apocalyptic number.

It is an amenable number.

7478494892 is a deficient number, since it is larger than the sum of its proper divisors (6798631804).

7478494892 is a wasteful number, since it uses less digits than its factorization.

7478494892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169965808 (or 169965806 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 62.

The square root of 7478494892 is about 86478.2914493574. The cubic root of 7478494892 is about 1955.5611484320.

The spelling of 7478494892 in words is "seven billion, four hundred seventy-eight million, four hundred ninety-four thousand, eight hundred ninety-two".