726603604 has 6 divisors (see below), whose sum is σ = 1271556314. Its totient is φ = 363301800.

The previous prime is 726603601. The next prime is 726603607. The reversal of 726603604 is 406306627.

It is an interprime number because it is at equal distance from previous prime (726603601) and next prime (726603607).

It can be written as a sum of positive squares in only one way, i.e., 386201104 + 340402500 = 19652^2 + 18450^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 726603604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726603601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90825447 + ... + 90825454.

Almost surely, 2^726603604 is an apocalyptic number.

It is an amenable number.

726603604 is a deficient number, since it is larger than the sum of its proper divisors (544952710).

726603604 is a wasteful number, since it uses less digits than its factorization.

726603604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181650905 (or 181650903 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 726603604 is about 26955.5857662192. The cubic root of 726603604 is about 899.0127462359.

The spelling of 726603604 in words is "seven hundred twenty-six million, six hundred three thousand, six hundred four".