72361113 has 8 divisors (see below), whose sum is σ = 105252576. Its totient is φ = 43855200.

The previous prime is 72361111. The next prime is 72361123. The reversal of 72361113 is 31116327.

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

It is not a de Polignac number, because 72361113 - 2¹ = 72361111 is a prime.

It is a super-2 number, since 2×72361113² = 10472261349197538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72361111) 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, 1096348 + ... + 1096413.

It is an arithmetic number, because the mean of its divisors is an integer number (13156572).

Almost surely, 2^72361113 is an apocalyptic number.

It is an amenable number.

72361113 is a deficient number, since it is larger than the sum of its proper divisors (32891463).

72361113 is a wasteful number, since it uses less digits than its factorization.

72361113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192775.

The product of its digits is 756, while the sum is 24.

The square root of 72361113 is about 8506.5335478090. The cubic root of 72361113 is about 416.7111099971.

The spelling of 72361113 in words is "seventy-two million, three hundred sixty-one thousand, one hundred thirteen".