7264784340 has 144 divisors (see below), whose sum is σ = 24239307456. Its totient is φ = 1761101760.

The previous prime is 7264784297. The next prime is 7264784341. The reversal of 7264784340 is 434874627.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7264784341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224419 + ... + 254741.

It is an arithmetic number, because the mean of its divisors is an integer number (168328524).

Almost surely, 2^7264784340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7264784340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12119653728).

7264784340 is an abundant number, since it is smaller than the sum of its proper divisors (16974523116).

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

7264784340 is a wasteful number, since it uses less digits than its factorization.

7264784340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30371 (or 30344 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The square root of 7264784340 is about 85233.7042489648. The cubic root of 7264784340 is about 1936.7530214627.

The spelling of 7264784340 in words is "seven billion, two hundred sixty-four million, seven hundred eighty-four thousand, three hundred forty".