7478424497 has 8 divisors (see below), whose sum is σ = 7825462056. Its totient is φ = 7139014272.

The previous prime is 7478424467. The next prime is 7478424511. The reversal of 7478424497 is 7944248747.

It can be written as a sum of positive squares in 4 ways, for example, as 2710660096 + 4767764401 = 52064^2 + 69049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7478424497 - 2¹⁸ = 7478162353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7478424467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904828 + ... + 1908749.

It is an arithmetic number, because the mean of its divisors is an integer number (978182757).

Almost surely, 2^7478424497 is an apocalyptic number.

It is an amenable number.

7478424497 is a deficient number, since it is larger than the sum of its proper divisors (347037559).

7478424497 is a wasteful number, since it uses less digits than its factorization.

7478424497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813667.

The product of its digits is 12644352, while the sum is 56.

The square root of 7478424497 is about 86477.8844387396. The cubic root of 7478424497 is about 1955.5550125201. Note that the first 3 decimals are identical.

The spelling of 7478424497 in words is "seven billion, four hundred seventy-eight million, four hundred twenty-four thousand, four hundred ninety-seven".