2091723074 has 32 divisors (see below), whose sum is σ = 3667680000. Its totient is φ = 894324480.

The previous prime is 2091723059. The next prime is 2091723079. The reversal of 2091723074 is 4703271902.

It is not an unprimeable number, because it can be changed into a prime (2091723079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304619 + ... + 311409.

It is an arithmetic number, because the mean of its divisors is an integer number (114615000).

Almost surely, 2^2091723074 is an apocalyptic number.

2091723074 is a deficient number, since it is larger than the sum of its proper divisors (1575956926).

2091723074 is an equidigital number, since it uses as much as digits as its factorization.

2091723074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7263 (or 7249 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2091723074 is about 45735.3591217998. The cubic root of 2091723074 is about 1278.8945277112.

Adding to 2091723074 its reverse (4703271902), we get a palindrome (6794994976).

The spelling of 2091723074 in words is "two billion, ninety-one million, seven hundred twenty-three thousand, seventy-four".