40726 has 8 divisors (see below), whose sum is σ = 69840. Its totient is φ = 17448.

The previous prime is 40709. The next prime is 40739. The reversal of 40726 is 62704.

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

It is an Ulam number.

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, 1441 + ... + 1468.

It is an arithmetic number, because the mean of its divisors is an integer number (8730).

2⁴⁰⁷²⁶ is an apocalyptic number.

40726 is a deficient number, since it is larger than the sum of its proper divisors (29114).

40726 is a wasteful number, since it uses less digits than its factorization.

40726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 40726 is about 201.8068383381. The cubic root of 40726 is about 34.4051867067.

The spelling of 40726 in words is "forty thousand, seven hundred twenty-six".