72086237 has 4 divisors (see below), whose sum is σ = 72182976. Its totient is φ = 71989500.

The previous prime is 72086213. The next prime is 72086269. The reversal of 72086237 is 73268027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72086237 - 2¹⁶ = 72020701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72086197 and 72086206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72086207) 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, 47243 + ... + 48744.

It is an arithmetic number, because the mean of its divisors is an integer number (18045744).

Almost surely, 2^72086237 is an apocalyptic number.

It is an amenable number.

72086237 is a deficient number, since it is larger than the sum of its proper divisors (96739).

72086237 is an equidigital number, since it uses as much as digits as its factorization.

72086237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96738.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 72086237 is about 8490.3614175134. The cubic root of 72086237 is about 416.1827911100.

The spelling of 72086237 in words is "seventy-two million, eighty-six thousand, two hundred thirty-seven".