7242769 has 4 divisors (see below), whose sum is σ = 7557696. Its totient is φ = 6927844.

The previous prime is 7242751. The next prime is 7242793. The reversal of 7242769 is 9672427.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9672427 = 73 ⋅132499.

It is a cyclic number.

It is not a de Polignac number, because 7242769 - 2⁵ = 7242737 is a prime.

It is a super-2 number, since 2×7242769² = 104915405574722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7242569) 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, 157429 + ... + 157474.

It is an arithmetic number, because the mean of its divisors is an integer number (1889424).

Almost surely, 2^7242769 is an apocalyptic number.

It is an amenable number.

7242769 is a deficient number, since it is larger than the sum of its proper divisors (314927).

7242769 is a wasteful number, since it uses less digits than its factorization.

7242769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314926.

The product of its digits is 42336, while the sum is 37.

The square root of 7242769 is about 2691.2393055988. The cubic root of 7242769 is about 193.4794650893.

The spelling of 7242769 in words is "seven million, two hundred forty-two thousand, seven hundred sixty-nine".