72357583 has 4 divisors (see below), whose sum is σ = 72457840. Its totient is φ = 72257328.

The previous prime is 72357569. The next prime is 72357589. The reversal of 72357583 is 38575327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38575327 = 7 ⋅5510761.

It is a cyclic number.

It is not a de Polignac number, because 72357583 - 2⁹ = 72357071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72357589) 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, 49038 + ... + 50491.

It is an arithmetic number, because the mean of its divisors is an integer number (18114460).

Almost surely, 2^72357583 is an apocalyptic number.

72357583 is a deficient number, since it is larger than the sum of its proper divisors (100257).

72357583 is an equidigital number, since it uses as much as digits as its factorization.

72357583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100256.

The product of its digits is 176400, while the sum is 40.

The square root of 72357583 is about 8506.3260577055. The cubic root of 72357583 is about 416.7043337325.

The spelling of 72357583 in words is "seventy-two million, three hundred fifty-seven thousand, five hundred eighty-three".