730726132 has 6 divisors (see below), whose sum is σ = 1278770738. Its totient is φ = 365363064.

The previous prime is 730726103. The next prime is 730726159. The reversal of 730726132 is 231627037.

It can be written as a sum of positive squares in only one way, i.e., 449694436 + 281031696 = 21206^2 + 16764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 730726094 and 730726103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91340763 + ... + 91340770.

Almost surely, 2^730726132 is an apocalyptic number.

It is an amenable number.

730726132 is a deficient number, since it is larger than the sum of its proper divisors (548044606).

730726132 is a wasteful number, since it uses less digits than its factorization.

730726132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182681537 (or 182681535 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 730726132 is about 27031.9465077896. The cubic root of 730726132 is about 900.7097824717.

The spelling of 730726132 in words is "seven hundred thirty million, seven hundred twenty-six thousand, one hundred thirty-two".