2745726 has 8 divisors (see below), whose sum is σ = 5491464. Its totient is φ = 915240.

The previous prime is 2745719. The next prime is 2745731. The reversal of 2745726 is 6275472.

It is a sphenic number, since it is the product of 3 distinct primes.

2745726 is an admirable number.

It is a super-2 number, since 2×2745726² = 15078022534152, 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 in 3 ways as a sum of consecutive naturals, for example, 228805 + ... + 228816.

It is an arithmetic number, because the mean of its divisors is an integer number (686433).

2^2745726 is an apocalyptic number.

2745726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2745726 is a wasteful number, since it uses less digits than its factorization.

2745726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457626.

The product of its digits is 23520, while the sum is 33.

The square root of 2745726 is about 1657.0232345987. The cubic root of 2745726 is about 140.0293475891.

It can be divided in two parts, 27 and 45726, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 2745726 in words is "two million, seven hundred forty-five thousand, seven hundred twenty-six".