2763745920 has 384 divisors, whose sum is σ = 10666131840. Its totient is φ = 679809024.

The previous prime is 2763745891. The next prime is 2763745939. The reversal of 2763745920 is 295473672.

2763745920 is a `hidden beast` number, since 2 + 7 + 637 + 4 + 5 + 9 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-3 number, since 3×2763745920³ (a number of 29 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2021077 + ... + 2022443.

It is an arithmetic number, because the mean of its divisors is an integer number (27776385).

Almost surely, 2^2763745920 is an apocalyptic number.

2763745920 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 2763745920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5333065920).

2763745920 is an abundant number, since it is smaller than the sum of its proper divisors (7902385920).

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

2763745920 is a wasteful number, since it uses less digits than its factorization.

2763745920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 2763745920 is about 52571.3412421635. The cubic root of 2763745920 is about 1403.3501265881.

The spelling of 2763745920 in words is "two billion, seven hundred sixty-three million, seven hundred forty-five thousand, nine hundred twenty".