72210099 has 8 divisors (see below), whose sum is σ = 103686352. Its totient is φ = 44436960.

The previous prime is 72210077. The next prime is 72210137. The reversal of 72210099 is 99001227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72210099 - 2⁸ = 72209843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72210059) 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, 925732 + ... + 925809.

It is an arithmetic number, because the mean of its divisors is an integer number (12960794).

Almost surely, 2^72210099 is an apocalyptic number.

72210099 is a deficient number, since it is larger than the sum of its proper divisors (31476253).

72210099 is a wasteful number, since it uses less digits than its factorization.

72210099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851557.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 72210099 is about 8497.6525582069. The cubic root of 72210099 is about 416.4210230684.

The spelling of 72210099 in words is "seventy-two million, two hundred ten thousand, ninety-nine".