72260006 has 36 divisors (see below), whose sum is σ = 136562652. Its totient is φ = 28579824.

The previous prime is 72260003. The next prime is 72260011. The reversal of 72260006 is 60006227.

72260006 = 95² + 96² + ... + 601².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72260003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14381 + ... + 18743.

It is an arithmetic number, because the mean of its divisors is an integer number (3793407).

Almost surely, 2^72260006 is an apocalyptic number.

72260006 is a deficient number, since it is larger than the sum of its proper divisors (64302646).

72260006 is a wasteful number, since it uses less digits than its factorization.

72260006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405 (or 4385 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 72260006 is about 8500.5885678581. The cubic root of 72260006 is about 416.5169354976.

The spelling of 72260006 in words is "seventy-two million, two hundred sixty thousand, six".