72193011 has 8 divisors (see below), whose sum is σ = 105008064. Its totient is φ = 43753320.

The previous prime is 72192979. The next prime is 72193097. The reversal of 72193011 is 11039127.

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

It is not a de Polignac number, because 72193011 - 2⁵ = 72192979 is a prime.

It is a super-2 number, since 2×72193011² = 10423661674492242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72193411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093801 + ... + 1093866.

It is an arithmetic number, because the mean of its divisors is an integer number (13126008).

Almost surely, 2^72193011 is an apocalyptic number.

72193011 is a deficient number, since it is larger than the sum of its proper divisors (32815053).

72193011 is a wasteful number, since it uses less digits than its factorization.

72193011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187681.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 72193011 is about 8496.6470445700. The cubic root of 72193011 is about 416.3881727980.

The spelling of 72193011 in words is "seventy-two million, one hundred ninety-three thousand, eleven".