7242997 has 4 divisors (see below), whose sum is σ = 7277536. Its totient is φ = 7208460.

The previous prime is 7242979. The next prime is 7243001. The reversal of 7242997 is 7992427.

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: 7992427 = 173 ⋅46199.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7242997 is a prime.

It is a super-2 number, since 2×7242997² = 104922011084018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16953 + ... + 17374.

It is an arithmetic number, because the mean of its divisors is an integer number (1819384).

Almost surely, 2^7242997 is an apocalyptic number.

It is an amenable number.

7242997 is a deficient number, since it is larger than the sum of its proper divisors (34539).

7242997 is a wasteful number, since it uses less digits than its factorization.

7242997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34538.

The product of its digits is 63504, while the sum is 40.

The square root of 7242997 is about 2691.2816649322. The cubic root of 7242997 is about 193.4814952915.

It can be divided in two parts, 724 and 2997, that added together give a square (3721 = 61²).

The spelling of 7242997 in words is "seven million, two hundred forty-two thousand, nine hundred ninety-seven".