72711099 has 12 divisors (see below), whose sum is σ = 106048176. Its totient is φ = 48002832.

The previous prime is 72711049. The next prime is 72711137. The reversal of 72711099 is 99011727.

It is not a de Polignac number, because 72711099 - 2²¹ = 70613947 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (72711049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38292 + ... + 40145.

It is an arithmetic number, because the mean of its divisors is an integer number (8837348).

Almost surely, 2^72711099 is an apocalyptic number.

72711099 is a deficient number, since it is larger than the sum of its proper divisors (33337077).

72711099 is a wasteful number, since it uses less digits than its factorization.

72711099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78546 (or 78543 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 72711099 is about 8527.0803326813. The cubic root of 72711099 is about 417.3818595533.

The spelling of 72711099 in words is "seventy-two million, seven hundred eleven thousand, ninety-nine".