726401767 has 16 divisors (see below), whose sum is σ = 896942592. Its totient is φ = 572865120.

The previous prime is 726401747. The next prime is 726401777. The reversal of 726401767 is 767104627.

It is a cyclic number.

It is not a de Polignac number, because 726401767 - 2²³ = 718013159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726401717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15468 + ... + 41134.

It is an arithmetic number, because the mean of its divisors is an integer number (56058912).

Almost surely, 2^726401767 is an apocalyptic number.

726401767 is a deficient number, since it is larger than the sum of its proper divisors (170540825).

726401767 is a wasteful number, since it uses less digits than its factorization.

726401767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25998.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 726401767 is about 26951.8416253881. The cubic root of 726401767 is about 898.9294955066.

The spelling of 726401767 in words is "seven hundred twenty-six million, four hundred one thousand, seven hundred sixty-seven".