72055195 has 16 divisors (see below), whose sum is σ = 87901632. Its totient is φ = 56695680.

The previous prime is 72055187. The next prime is 72055211. The reversal of 72055195 is 59155027.

It is not a de Polignac number, because 72055195 - 2³ = 72055187 is a prime.

It is a super-2 number, since 2×72055195² = 10383902252976050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72055195.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92829 + ... + 93601.

It is an arithmetic number, because the mean of its divisors is an integer number (5493852).

Almost surely, 2^72055195 is an apocalyptic number.

72055195 is a deficient number, since it is larger than the sum of its proper divisors (15846437).

72055195 is a wasteful number, since it uses less digits than its factorization.

72055195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 72055195 is about 8488.5331477235. The cubic root of 72055195 is about 416.1230432228.

The spelling of 72055195 in words is "seventy-two million, fifty-five thousand, one hundred ninety-five".