726794251 has 12 divisors (see below), whose sum is σ = 812702680. Its totient is φ = 648034560.

The previous prime is 726794239. The next prime is 726794281. The reversal of 726794251 is 152497627.

It is not a de Polignac number, because 726794251 - 2¹³ = 726786059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726794198 and 726794207.

It is not an unprimeable number, because it can be changed into a prime (726794281) 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, 60690 + ... + 71671.

Almost surely, 2^726794251 is an apocalyptic number.

726794251 is a deficient number, since it is larger than the sum of its proper divisors (85908429).

726794251 is a wasteful number, since it uses less digits than its factorization.

726794251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132414 (or 132397 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 726794251 is about 26959.1218514254. The cubic root of 726794251 is about 899.0913673227.

The spelling of 726794251 in words is "seven hundred twenty-six million, seven hundred ninety-four thousand, two hundred fifty-one".