72395194 has 8 divisors (see below), whose sum is σ = 112337460. Its totient is φ = 34949376.

The previous prime is 72395189. The next prime is 72395201. The reversal of 72395194 is 49159327.

It can be written as a sum of positive squares in 2 ways, for example, as 72029169 + 366025 = 8487^2 + 605^2 .

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

It is a super-2 number, since 2×72395194² = 10482128228595272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624039 + ... + 624154.

Almost surely, 2^72395194 is an apocalyptic number.

72395194 is a deficient number, since it is larger than the sum of its proper divisors (39942266).

72395194 is a wasteful number, since it uses less digits than its factorization.

72395194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248224.

The product of its digits is 68040, while the sum is 40.

The square root of 72395194 is about 8508.5365369140. The cubic root of 72395194 is about 416.7765212919.

The spelling of 72395194 in words is "seventy-two million, three hundred ninety-five thousand, one hundred ninety-four".