7273897848 has 448 divisors, whose sum is σ = 25384181760. Its totient is φ = 1905804288.

The previous prime is 7273897837. The next prime is 7273897849. The reversal of 7273897848 is 8487983727.

It is a super-2 number, since 2×7273897848² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7273897849) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 32618265 + ... + 32618487.

It is an arithmetic number, because the mean of its divisors is an integer number (56661120).

Almost surely, 2^7273897848 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 7273897848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12692090880).

7273897848 is an abundant number, since it is smaller than the sum of its proper divisors (18110283912).

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

7273897848 is a wasteful number, since it uses less digits than its factorization.

7273897848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 299 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 63.

The square root of 7273897848 is about 85287.1493719892. The cubic root of 7273897848 is about 1937.5625540289.

The spelling of 7273897848 in words is "seven billion, two hundred seventy-three million, eight hundred ninety-seven thousand, eight hundred forty-eight".