726656475 has 12 divisors (see below), whose sum is σ = 1201405496. Its totient is φ = 387550080.

The previous prime is 726656467. The next prime is 726656477. The reversal of 726656475 is 574656627.

It is not a de Polignac number, because 726656475 - 2³ = 726656467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726656477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4844302 + ... + 4844451.

Almost surely, 2^726656475 is an apocalyptic number.

726656475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

726656475 is a deficient number, since it is larger than the sum of its proper divisors (474749021).

726656475 is a wasteful number, since it uses less digits than its factorization.

726656475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9688766 (or 9688761 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 48.

The square root of 726656475 is about 26956.5664542056. The cubic root of 726656475 is about 899.0345511328.

The spelling of 726656475 in words is "seven hundred twenty-six million, six hundred fifty-six thousand, four hundred seventy-five".