72499195 has 4 divisors (see below), whose sum is σ = 86999040. Its totient is φ = 57999352.

The previous prime is 72499187. The next prime is 72499201. The reversal of 72499195 is 59199427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59199427 = 7 ⋅8457061.

It is a cyclic number.

It is not a de Polignac number, because 72499195 - 2³ = 72499187 is a prime.

It is a super-2 number, since 2×72499195² = 10512266551296050, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7249915 + ... + 7249924.

It is an arithmetic number, because the mean of its divisors is an integer number (21749760).

Almost surely, 2^72499195 is an apocalyptic number.

72499195 is a deficient number, since it is larger than the sum of its proper divisors (14499845).

72499195 is a wasteful number, since it uses less digits than its factorization.

72499195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14499844.

The product of its digits is 204120, while the sum is 46.

The square root of 72499195 is about 8514.6459116043. The cubic root of 72499195 is about 416.9760024682.

The spelling of 72499195 in words is "seventy-two million, four hundred ninety-nine thousand, one hundred ninety-five".