72370 has 8 divisors (see below), whose sum is σ = 130284. Its totient is φ = 28944.

The previous prime is 72367. The next prime is 72379. The reversal of 72370 is 7327.

It can be written as a sum of positive squares in 2 ways, for example, as 72361 + 9 = 269^2 + 3^2 .

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (72379) 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, 3609 + ... + 3628.

2⁷²³⁷⁰ is an apocalyptic number.

72370 is a deficient number, since it is larger than the sum of its proper divisors (57914).

72370 is a wasteful number, since it uses less digits than its factorization.

72370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7244.

The product of its (nonzero) digits is 294, while the sum is 19.

The square root of 72370 is about 269.0167281044. The cubic root of 72370 is about 41.6728168699.

Adding to 72370 its reverse (7327), we get a palindrome (79697).

The spelling of 72370 in words is "seventy-two thousand, three hundred seventy", and thus it is an iban number.