2758349720 has 32 divisors (see below), whose sum is σ = 7092900000. Its totient is φ = 945719808.

The previous prime is 2758349669. The next prime is 2758349723. The reversal of 2758349720 is 279438572.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2758349723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4925345 + ... + 4925904.

It is an arithmetic number, because the mean of its divisors is an integer number (221653125).

Almost surely, 2^2758349720 is an apocalyptic number.

2758349720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2758349720 is an abundant number, since it is smaller than the sum of its proper divisors (4334550280).

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

2758349720 is a wasteful number, since it uses less digits than its factorization.

2758349720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851267 (or 9851263 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 2758349720 is about 52519.9935262753. The cubic root of 2758349720 is about 1402.4361868223.

The spelling of 2758349720 in words is "two billion, seven hundred fifty-eight million, three hundred forty-nine thousand, seven hundred twenty".