726606074 has 16 divisors (see below), whose sum is σ = 1122231048. Its totient is φ = 352579392.

The previous prime is 726606047. The next prime is 726606079. The reversal of 726606074 is 470606627.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 637209049 + 89397025 = 25243^2 + 9455^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (726606079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17012 + ... + 41744.

Almost surely, 2^726606074 is an apocalyptic number.

726606074 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

726606074 is a deficient number, since it is larger than the sum of its proper divisors (395624974).

726606074 is a wasteful number, since it uses less digits than its factorization.

726606074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25169.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 726606074 is about 26955.6315822872. The cubic root of 726606074 is about 899.0137649293.

The spelling of 726606074 in words is "seven hundred twenty-six million, six hundred six thousand, seventy-four".