726058667 has 4 divisors (see below), whose sum is σ = 728884056. Its totient is φ = 723233280.

The previous prime is 726058649. The next prime is 726058691. The reversal of 726058667 is 766850627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766850627 = 31 ⋅24737117.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726058667 is a prime.

It is a super-2 number, since 2×726058667² = 1054322375851633778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726058367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412309 + ... + 1412822.

It is an arithmetic number, because the mean of its divisors is an integer number (182221014).

Almost surely, 2^726058667 is an apocalyptic number.

726058667 is a deficient number, since it is larger than the sum of its proper divisors (2825389).

726058667 is a wasteful number, since it uses less digits than its factorization.

726058667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825388.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 726058667 is about 26945.4758169159. The cubic root of 726058667 is about 898.7879433172.

The spelling of 726058667 in words is "seven hundred twenty-six million, fifty-eight thousand, six hundred sixty-seven".