6972289 has 4 divisors (see below), whose sum is σ = 7275456. Its totient is φ = 6669124.

The previous prime is 6972281. The next prime is 6972293. The reversal of 6972289 is 9822796.

It is a happy number.

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 6972289 - 2³ = 6972281 is a prime.

It is a super-2 number, since 2×6972289² = 97225627799042, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6³ + 9⁵ + 7 + 2⁷ + 2²¹ + 8⁵ + 9⁷ .

It is a Duffinian number.

6972289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6972281) 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, 151549 + ... + 151594.

It is an arithmetic number, because the mean of its divisors is an integer number (1818864).

Almost surely, 2^6972289 is an apocalyptic number.

It is an amenable number.

6972289 is a deficient number, since it is larger than the sum of its proper divisors (303167).

6972289 is a wasteful number, since it uses less digits than its factorization.

6972289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303166.

The product of its digits is 108864, while the sum is 43.

The square root of 6972289 is about 2640.5092311901. The cubic root of 6972289 is about 191.0403595166.

The spelling of 6972289 in words is "six million, nine hundred seventy-two thousand, two hundred eighty-nine".