7242897 has 4 divisors (see below), whose sum is σ = 9657200. Its totient is φ = 4828596.

The previous prime is 7242887. The next prime is 7242943. The reversal of 7242897 is 7982427.

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: 7982427 = 3 ⋅2660809.

It is a de Polignac number, because none of the positive numbers 2^k-7242897 is a prime.

It is a d-powerful number, because it can be written as 7⁶ + 2¹¹ + 4¹¹ + 2¹³ + 8⁷ + 9 + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7242847) 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, 1207147 + ... + 1207152.

It is an arithmetic number, because the mean of its divisors is an integer number (2414300).

Almost surely, 2^7242897 is an apocalyptic number.

It is an amenable number.

7242897 is a deficient number, since it is larger than the sum of its proper divisors (2414303).

7242897 is a wasteful number, since it uses less digits than its factorization.

7242897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414302.

The product of its digits is 56448, while the sum is 39.

The square root of 7242897 is about 2691.2630863593. The cubic root of 7242897 is about 193.4806048572.

The spelling of 7242897 in words is "seven million, two hundred forty-two thousand, eight hundred ninety-seven".