736680436 has 24 divisors (see below), whose sum is σ = 1300206600. Its totient is φ = 365202432.

The previous prime is 736680419. The next prime is 736680463. The reversal of 736680436 is 634086637.

It can be written as a sum of positive squares in 4 ways, for example, as 167857936 + 568822500 = 12956^2 + 23850^2 .

It is a junction number, because it is equal to n+sod(n) for n = 736680392 and 736680401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567340 + ... + 568636.

It is an arithmetic number, because the mean of its divisors is an integer number (54175275).

Almost surely, 2^736680436 is an apocalyptic number.

It is an amenable number.

736680436 is a deficient number, since it is larger than the sum of its proper divisors (563526164).

736680436 is a wasteful number, since it uses less digits than its factorization.

736680436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 736680436 is about 27141.8576372363. The cubic root of 736680436 is about 903.1496379273.

The spelling of 736680436 in words is "seven hundred thirty-six million, six hundred eighty thousand, four hundred thirty-six".