2506726 has 16 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 1217160.

The previous prime is 2506723. The next prime is 2506729. The reversal of 2506726 is 6276052.

It is an interprime number because it is at equal distance from previous prime (2506723) and next prime (2506729).

It is a junction number, because it is equal to n+sod(n) for n = 2506694 and 2506703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17965 + ... + 18103.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

2^2506726 is an apocalyptic number.

2506726 is a deficient number, since it is larger than the sum of its proper divisors (1363994).

2506726 is a wasteful number, since it uses less digits than its factorization.

2506726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2506726 is about 1583.2643493744. The cubic root of 2506726 is about 135.8424863250.

The spelling of 2506726 in words is "two million, five hundred six thousand, seven hundred twenty-six".