7448749532 has 24 divisors (see below), whose sum is σ = 15178586976. Its totient is φ = 3132088128.

The previous prime is 7448749523. The next prime is 7448749537. The reversal of 7448749532 is 2359478447.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7448749537) 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, 2508203 + ... + 2511170.

It is an arithmetic number, because the mean of its divisors is an integer number (632441124).

Almost surely, 2^7448749532 is an apocalyptic number.

It is an amenable number.

7448749532 is an abundant number, since it is smaller than the sum of its proper divisors (7729837444).

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

7448749532 is a wasteful number, since it uses less digits than its factorization.

7448749532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019437 (or 5019435 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 53.

The square root of 7448749532 is about 86306.1384375410. The cubic root of 7448749532 is about 1952.9649859964.

The spelling of 7448749532 in words is "seven billion, four hundred forty-eight million, seven hundred forty-nine thousand, five hundred thirty-two".