72862205 has 8 divisors (see below), whose sum is σ = 94160472. Its totient is φ = 53805888.

The previous prime is 72862177. The next prime is 72862219. The reversal of 72862205 is 50226827.

It can be written as a sum of positive squares in 4 ways, for example, as 3189796 + 69672409 = 1786^2 + 8347^2 .

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 72862205 - 2¹² = 72858109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 560414 + ... + 560543.

It is an arithmetic number, because the mean of its divisors is an integer number (11770059).

Almost surely, 2^72862205 is an apocalyptic number.

It is an amenable number.

72862205 is a deficient number, since it is larger than the sum of its proper divisors (21298267).

72862205 is a wasteful number, since it uses less digits than its factorization.

72862205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120975.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 72862205 is about 8535.9360939501. The cubic root of 72862205 is about 417.6707896030.

The spelling of 72862205 in words is "seventy-two million, eight hundred sixty-two thousand, two hundred five".