726413585402 has 48 divisors (see below), whose sum is σ = 1189470107448. Its totient is φ = 332448583680.

The previous prime is 726413585383. The next prime is 726413585437. The reversal of 726413585402 is 204585314627.

It is a Cunningham number, because it is equal to 852299²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 1 + 726413585401 = 1^2 + 852299^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7463918 + ... + 7560614.

Almost surely, 2^726413585402 is an apocalyptic number.

726413585402 is a deficient number, since it is larger than the sum of its proper divisors (463056522046).

726413585402 is a wasteful number, since it uses less digits than its factorization.

726413585402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97091 (or 97074 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 726413585402 in words is "seven hundred twenty-six billion, four hundred thirteen million, five hundred eighty-five thousand, four hundred two".