726563071 has 8 divisors (see below), whose sum is σ = 809434080. Its totient is φ = 647546592.

The previous prime is 726563069. The next prime is 726563081. The reversal of 726563071 is 170365627.

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

It is a cyclic number.

It is not a de Polignac number, because 726563071 - 2¹ = 726563069 is a prime.

It is a super-2 number, since 2×726563071² = 1055787792281902082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 726563071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726563041) 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, 963235 + ... + 963988.

It is an arithmetic number, because the mean of its divisors is an integer number (101179260).

Almost surely, 2^726563071 is an apocalyptic number.

726563071 is a deficient number, since it is larger than the sum of its proper divisors (82871009).

726563071 is a wasteful number, since it uses less digits than its factorization.

726563071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927265.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 726563071 is about 26954.8339078541. The cubic root of 726563071 is about 898.9960290231.

The spelling of 726563071 in words is "seven hundred twenty-six million, five hundred sixty-three thousand, seventy-one".