7480393647 has 32 divisors (see below), whose sum is σ = 10383759360. Its totient is φ = 4787324640.

The previous prime is 7480393607. The next prime is 7480393667. The reversal of 7480393647 is 7463930847.

It is a happy number.

It is not a de Polignac number, because 7480393647 - 2⁷ = 7480393519 is a prime.

It is a super-2 number, since 2×7480393647² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7480393647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7480393607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1341888 + ... + 1347450.

It is an arithmetic number, because the mean of its divisors is an integer number (324492480).

Almost surely, 2^7480393647 is an apocalyptic number.

7480393647 is a deficient number, since it is larger than the sum of its proper divisors (2903365713).

7480393647 is a wasteful number, since it uses less digits than its factorization.

7480393647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The square root of 7480393647 is about 86489.2689702023. The cubic root of 7480393647 is about 1955.7266370478.

The spelling of 7480393647 in words is "seven billion, four hundred eighty million, three hundred ninety-three thousand, six hundred forty-seven".