726673937 has 16 divisors (see below), whose sum is σ = 842825088. Its totient is φ = 619956480.

The previous prime is 726673933. The next prime is 726673939. The reversal of 726673937 is 739376627.

It is not a de Polignac number, because 726673937 - 2² = 726673933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726673933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13688 + ... + 40505.

It is an arithmetic number, because the mean of its divisors is an integer number (52676568).

Almost surely, 2^726673937 is an apocalyptic number.

It is an amenable number.

726673937 is a deficient number, since it is larger than the sum of its proper divisors (116151151).

726673937 is a wasteful number, since it uses less digits than its factorization.

726673937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54280.

The product of its digits is 2000376, while the sum is 50.

The square root of 726673937 is about 26956.8903436580. The cubic root of 726673937 is about 899.0417525254.

The spelling of 726673937 in words is "seven hundred twenty-six million, six hundred seventy-three thousand, nine hundred thirty-seven".