726316250 has 80 divisors (see below), whose sum is σ = 1502743968. Its totient is φ = 261000000.

The previous prime is 726316207. The next prime is 726316259. The reversal of 726316250 is 52613627.

It is not an unprimeable number, because it can be changed into a prime (726316259) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1388489 + ... + 1389011.

Almost surely, 2^726316250 is an apocalyptic number.

726316250 is an abundant number, since it is smaller than the sum of its proper divisors (776427718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726316250 is a wasteful number, since it uses less digits than its factorization.

726316250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 726316250 is about 26950.2551008335. The cubic root of 726316250 is about 898.8942180729.

Adding to 726316250 its reverse (52613627), we get a palindrome (778929877).

The spelling of 726316250 in words is "seven hundred twenty-six million, three hundred sixteen thousand, two hundred fifty".