72170095 has 8 divisors (see below), whose sum is σ = 86818320. Its totient is φ = 57593280.

The previous prime is 72170069. The next prime is 72170107. The reversal of 72170095 is 59007127.

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

It is not a de Polignac number, because 72170095 - 2²⁵ = 38615663 is a prime.

It is a super-2 number, since 2×72170095² = 10417045224618050, which contains 22 as substring.

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, 15601 + ... + 19690.

It is an arithmetic number, because the mean of its divisors is an integer number (10852290).

Almost surely, 2^72170095 is an apocalyptic number.

72170095 is a deficient number, since it is larger than the sum of its proper divisors (14648225).

72170095 is a wasteful number, since it uses less digits than its factorization.

72170095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35705.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 72170095 is about 8495.2984055888. The cubic root of 72170095 is about 416.3441105403.

The spelling of 72170095 in words is "seventy-two million, one hundred seventy thousand, ninety-five".