7381009272 has 256 divisors, whose sum is σ = 24448435200. Its totient is φ = 1801543680.

The previous prime is 7381009261. The next prime is 7381009277. The reversal of 7381009272 is 2729001837.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 7381009272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7381009277) 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 63 ways as a sum of consecutive naturals, for example, 2263179 + ... + 2266437.

It is an arithmetic number, because the mean of its divisors is an integer number (95501700).

Almost surely, 2^7381009272 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 7381009272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12224217600).

7381009272 is an abundant number, since it is smaller than the sum of its proper divisors (17067425928).

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

7381009272 is a wasteful number, since it uses less digits than its factorization.

7381009272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3362 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 7381009272 is about 85912.8003966813. The cubic root of 7381009272 is about 1947.0267440558.

The spelling of 7381009272 in words is "seven billion, three hundred eighty-one million, nine thousand, two hundred seventy-two".