72488193 has 4 divisors (see below), whose sum is σ = 96650928. Its totient is φ = 48325460.

The previous prime is 72488189. The next prime is 72488263. The reversal of 72488193 is 39188427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72488193 - 2² = 72488189 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72488183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12081363 + ... + 12081368.

It is an arithmetic number, because the mean of its divisors is an integer number (24162732).

Almost surely, 2^72488193 is an apocalyptic number.

It is an amenable number.

72488193 is a deficient number, since it is larger than the sum of its proper divisors (24162735).

72488193 is a wasteful number, since it uses less digits than its factorization.

72488193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24162734.

The product of its digits is 96768, while the sum is 42.

The square root of 72488193 is about 8513.9998238196. Note that the first 3 decimals coincide. The cubic root of 72488193 is about 416.9549088912.

The spelling of 72488193 in words is "seventy-two million, four hundred eighty-eight thousand, one hundred ninety-three".