72469 has 2 divisors, whose sum is σ = 72470. Its totient is φ = 72468.

The previous prime is 72467. The next prime is 72481. The reversal of 72469 is 96427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46225 + 26244 = 215^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 72469 - 2¹ = 72467 is a prime.

It is a super-2 number, since 2×72469² = 10503511922, which contains 22 as substring.

Together with 72467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36234 + 36235.

It is an arithmetic number, because the mean of its divisors is an integer number (36235).

2⁷²⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

72469 is a deficient number, since it is larger than the sum of its proper divisors (1).

72469 is an equidigital number, since it uses as much as digits as its factorization.

72469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 72469 is about 269.2006686470. The cubic root of 72469 is about 41.6918106015.

The spelling of 72469 in words is "seventy-two thousand, four hundred sixty-nine".