740726 has 16 divisors (see below), whose sum is σ = 1281696. Its totient is φ = 314496.

The previous prime is 740717. The next prime is 740737. The reversal of 740726 is 627047.

It is a junction number, because it is equal to n+sod(n) for n = 740695 and 740704.

It is a congruent number.

It is an unprimeable number.

740726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030 + ... + 2366.

It is an arithmetic number, because the mean of its divisors is an integer number (80106).

2⁷⁴⁰⁷²⁶ is an apocalyptic number.

740726 is a deficient number, since it is larger than the sum of its proper divisors (540970).

740726 is a wasteful number, since it uses less digits than its factorization.

With its successor (740727) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (503).

740726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 740726 is about 860.6544021848. The cubic root of 740726 is about 90.4799870280.

The spelling of 740726 in words is "seven hundred forty thousand, seven hundred twenty-six".