2684140726 has 4 divisors (see below), whose sum is σ = 4026211092. Its totient is φ = 1342070362.

The previous prime is 2684140703. The next prime is 2684140747. The reversal of 2684140726 is 6270414862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2684140726² = 14409222873943614152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671035180 + ... + 671035183.

It is an arithmetic number, because the mean of its divisors is an integer number (1006552773).

Almost surely, 2^2684140726 is an apocalyptic number.

2684140726 is a deficient number, since it is larger than the sum of its proper divisors (1342070366).

2684140726 is a wasteful number, since it uses less digits than its factorization.

2684140726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342070365.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 2684140726 is about 51808.6935368959. The cubic root of 2684140726 is about 1389.7449156674.

The spelling of 2684140726 in words is "two billion, six hundred eighty-four million, one hundred forty thousand, seven hundred twenty-six".