2542726 has 8 divisors (see below), whose sum is σ = 3848184. Its totient is φ = 1260000.

The previous prime is 2542703. The next prime is 2542733. The reversal of 2542726 is 6272452.

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

It is a super-2 number, since 2×2542726² = 12930911022152, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁶ + 5² + 4 + 2¹⁸ + 7⁶ + 2²¹ + 6³ .

It is a junction number, because it is equal to n+sod(n) for n = 2542694 and 2542703.

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, 5400 + ... + 5851.

It is an arithmetic number, because the mean of its divisors is an integer number (481023).

2^2542726 is an apocalyptic number.

2542726 is a deficient number, since it is larger than the sum of its proper divisors (1305458).

2542726 is a wasteful number, since it uses less digits than its factorization.

2542726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11366.

The product of its digits is 6720, while the sum is 28.

The square root of 2542726 is about 1594.5927379742. The cubic root of 2542726 is about 136.4896922718.

The spelling of 2542726 in words is "two million, five hundred forty-two thousand, seven hundred twenty-six".