72360319 has 4 divisors (see below), whose sum is σ = 72417240. Its totient is φ = 72303400.

The previous prime is 72360283. The next prime is 72360329. The reversal of 72360319 is 91306327.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72360319 - 2¹¹ = 72358271 is a prime.

It is a super-2 number, since 2×72360319² = 10472031531563522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72360329) 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, 26509 + ... + 29110.

It is an arithmetic number, because the mean of its divisors is an integer number (18104310).

Almost surely, 2^72360319 is an apocalyptic number.

72360319 is a deficient number, since it is larger than the sum of its proper divisors (56921).

72360319 is a wasteful number, since it uses less digits than its factorization.

72360319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56920.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 72360319 is about 8506.4868776717. The cubic root of 72360319 is about 416.7095858367.

The spelling of 72360319 in words is "seventy-two million, three hundred sixty thousand, three hundred nineteen".