726015 has 16 divisors (see below), whose sum is σ = 1202400. Its totient is φ = 373632.

The previous prime is 726013. The next prime is 726023. The reversal of 726015 is 510627.

It is not a de Polignac number, because 726015 - 2¹ = 726013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725982 and 726000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400 + ... + 1269.

It is an arithmetic number, because the mean of its divisors is an integer number (75150).

2⁷²⁶⁰¹⁵ is an apocalyptic number.

726015 is a deficient number, since it is larger than the sum of its proper divisors (476385).

726015 is a wasteful number, since it uses less digits than its factorization.

726015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 726015 is about 852.0651383550. The cubic root of 726015 is about 89.8769924498.

It can be divided in two parts, 7260 and 15, that multiplied together give a square (108900 = 330²).

The spelling of 726015 in words is "seven hundred twenty-six thousand, fifteen".