7493645448 has 64 divisors (see below), whose sum is σ = 21911256000. Its totient is φ = 2366413056.

The previous prime is 7493645413. The next prime is 7493645449. The reversal of 7493645448 is 8445463947.

7493645448 is a `hidden beast` number, since 7 + 4 + 93 + 6 + 4 + 544 + 8 = 666.

It is a super-2 number, since 2×7493645448² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 7493645394 and 7493645403.

It is not an unprimeable number, because it can be changed into a prime (7493645449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908865 + ... + 917072.

It is an arithmetic number, because the mean of its divisors is an integer number (342363375).

Almost surely, 2^7493645448 is an apocalyptic number.

It is an amenable number.

7493645448 is an abundant number, since it is smaller than the sum of its proper divisors (14417610552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7493645448 is a wasteful number, since it uses less digits than its factorization.

7493645448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825971 (or 1825961 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The square root of 7493645448 is about 86565.8445808738. The cubic root of 7493645448 is about 1956.8808370456.

The spelling of 7493645448 in words is "seven billion, four hundred ninety-three million, six hundred forty-five thousand, four hundred forty-eight".