7264474840 has 64 divisors (see below), whose sum is σ = 18740367360. Its totient is φ = 2482638720.

The previous prime is 7264474829. The next prime is 7264474843. The reversal of 7264474840 is 484744627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7264474843) 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, 45369 + ... + 128791.

It is an arithmetic number, because the mean of its divisors is an integer number (292818240).

Almost surely, 2^7264474840 is an apocalyptic number.

7264474840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7264474840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9370183680).

7264474840 is an abundant number, since it is smaller than the sum of its proper divisors (11475892520).

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

7264474840 is a wasteful number, since it uses less digits than its factorization.

7264474840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83752 (or 83748 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 46.

The square root of 7264474840 is about 85231.8886333044. Note that the first 3 decimals coincide. The cubic root of 7264474840 is about 1936.7255173853.

The spelling of 7264474840 in words is "seven billion, two hundred sixty-four million, four hundred seventy-four thousand, eight hundred forty".