726410251 has 12 divisors (see below), whose sum is σ = 846081552. Its totient is φ = 621846288.

The previous prime is 726410249. The next prime is 726410263. The reversal of 726410251 is 152014627.

It is not a de Polignac number, because 726410251 - 2¹ = 726410249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726450251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31321 + ... + 49333.

It is an arithmetic number, because the mean of its divisors is an integer number (70506796).

Almost surely, 2^726410251 is an apocalyptic number.

726410251 is a deficient number, since it is larger than the sum of its proper divisors (119671301).

726410251 is a wasteful number, since it uses less digits than its factorization.

726410251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18850 (or 18843 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 726410251 is about 26951.9990167705. Note that the first 3 decimals coincide. The cubic root of 726410251 is about 898.9329951715.

Adding to 726410251 its reverse (152014627), we get a palindrome (878424878).

The spelling of 726410251 in words is "seven hundred twenty-six million, four hundred ten thousand, two hundred fifty-one".