2273343507720 has 192 divisors, whose sum is σ = 7509328398000. Its totient is φ = 596369055744.

The previous prime is 2273343507703. The next prime is 2273343507727. The reversal of 2273343507720 is 277053433722.

2273343507720 is a `hidden beast` number, since 2 + 2 + 7 + 33 + 43 + 507 + 72 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2034885132036 + 238458375684 = 1426494^2 + 488322^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2273343507727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6131796 + ... + 6491964.

Almost surely, 2^{2273343507720} is an apocalyptic number.

2273343507720 is a gapful number since it is divisible by the number (20) 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 2273343507720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3754664199000).

2273343507720 is an abundant number, since it is smaller than the sum of its proper divisors (5235984890280).

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

2273343507720 is a wasteful number, since it uses less digits than its factorization.

2273343507720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360472 (or 360465 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 45.

The spelling of 2273343507720 in words is "two trillion, two hundred seventy-three billion, three hundred forty-three million, five hundred seven thousand, seven hundred twenty".