7400745448 has 16 divisors (see below), whose sum is σ = 13935956580. Its totient is φ = 3684490368.

The previous prime is 7400745433. The next prime is 7400745449. The reversal of 7400745448 is 8445470047.

It can be written as a sum of positive squares in 2 ways, for example, as 7184596644 + 216148804 = 84762^2 + 14702^2 .

It is not an unprimeable number, because it can be changed into a prime (7400745449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983315 + ... + 1987042.

Almost surely, 2^7400745448 is an apocalyptic number.

It is an amenable number.

7400745448 is a deficient number, since it is larger than the sum of its proper divisors (6535211132).

7400745448 is a wasteful number, since it uses less digits than its factorization.

7400745448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970596 (or 3970592 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 43.

The square root of 7400745448 is about 86027.5853898039. The cubic root of 7400745448 is about 1948.7605929032.

The spelling of 7400745448 in words is "seven billion, four hundred million, seven hundred forty-five thousand, four hundred forty-eight".