72130995 has 24 divisors (see below), whose sum is σ = 127938096. Its totient is φ = 37574208.

The previous prime is 72130991. The next prime is 72131009. The reversal of 72130995 is 59903127.

It is not a de Polignac number, because 72130995 - 2² = 72130991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72130991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16704 + ... + 20573.

It is an arithmetic number, because the mean of its divisors is an integer number (5330754).

Almost surely, 2^72130995 is an apocalyptic number.

72130995 is a deficient number, since it is larger than the sum of its proper divisors (55807101).

72130995 is a wasteful number, since it uses less digits than its factorization.

72130995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37331 (or 37328 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 72130995 is about 8492.9968209107. The cubic root of 72130995 is about 416.2689085910.

The spelling of 72130995 in words is "seventy-two million, one hundred thirty thousand, nine hundred ninety-five".