726037 has 4 divisors (see below), whose sum is σ = 781900. Its totient is φ = 670176.

The previous prime is 726023. The next prime is 726043. The reversal of 726037 is 730627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 730627 = 109 ⋅6703.

It can be written as a sum of positive squares in 2 ways, for example, as 367236 + 358801 = 606^2 + 599^2 .

It is not a de Polignac number, because 726037 - 2⁷ = 725909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27912 + ... + 27937.

It is an arithmetic number, because the mean of its divisors is an integer number (195475).

2⁷²⁶⁰³⁷ is an apocalyptic number.

It is an amenable number.

726037 is a deficient number, since it is larger than the sum of its proper divisors (55863).

726037 is a wasteful number, since it uses less digits than its factorization.

726037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55862.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 726037 is about 852.0780480684. The cubic root of 726037 is about 89.8779002703.

The spelling of 726037 in words is "seven hundred twenty-six thousand, thirty-seven".