72199055 has 8 divisors (see below), whose sum is σ = 86724432. Its totient is φ = 57702208.

The previous prime is 72199037. The next prime is 72199079. The reversal of 72199055 is 55099127.

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

It is a cyclic number.

It is not a de Polignac number, because 72199055 - 2⁸ = 72198799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097 + ... + 12066.

It is an arithmetic number, because the mean of its divisors is an integer number (10840554).

Almost surely, 2^72199055 is an apocalyptic number.

72199055 is a deficient number, since it is larger than the sum of its proper divisors (14525377).

72199055 is a wasteful number, since it uses less digits than its factorization.

72199055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14265.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 72199055 is about 8497.0027068373. The cubic root of 72199055 is about 416.3997924819.

The spelling of 72199055 in words is "seventy-two million, one hundred ninety-nine thousand, fifty-five".