2713581780 has 144 divisors (see below), whose sum is σ = 9518544000. Its totient is φ = 572527872.

The previous prime is 2713581763. The next prime is 2713581799. The reversal of 2713581780 is 871853172.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2721 + ... + 73719.

It is an arithmetic number, because the mean of its divisors is an integer number (66101000).

Almost surely, 2^2713581780 is an apocalyptic number.

2713581780 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 2713581780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4759272000).

2713581780 is an abundant number, since it is smaller than the sum of its proper divisors (6804962220).

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

2713581780 is a wasteful number, since it uses less digits than its factorization.

2713581780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71038 (or 71029 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 2713581780 is about 52092.0510250844. The cubic root of 2713581780 is about 1394.8075992663.

The spelling of 2713581780 in words is "two billion, seven hundred thirteen million, five hundred eighty-one thousand, seven hundred eighty".