7273869408 has 144 divisors (see below), whose sum is σ = 23448887280. Its totient is φ = 2120297472.

The previous prime is 7273869391. The next prime is 7273869433. The reversal of 7273869408 is 8049683727.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20010 + ... + 122262.

It is an arithmetic number, because the mean of its divisors is an integer number (162839495).

Almost surely, 2^7273869408 is an apocalyptic number.

7273869408 is a gapful number since it is divisible by the number (78) 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 7273869408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11724443640).

7273869408 is an abundant number, since it is smaller than the sum of its proper divisors (16175017872).

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

7273869408 is a wasteful number, since it uses less digits than its factorization.

7273869408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102301 (or 102290 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 7273869408 is about 85286.9826409634. The cubic root of 7273869408 is about 1937.5600288193.

The spelling of 7273869408 in words is "seven billion, two hundred seventy-three million, eight hundred sixty-nine thousand, four hundred eight".