7242345 has 32 divisors (see below), whose sum is σ = 14048640. Its totient is φ = 3510720.

The previous prime is 7242341. The next prime is 7242349. The reversal of 7242345 is 5432427.

It is an interprime number because it is at equal distance from previous prime (7242341) and next prime (7242349).

It is not a de Polignac number, because 7242345 - 2² = 7242341 is a prime.

It is a super-2 number, since 2×7242345² = 104903122198050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7242341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (439020).

Almost surely, 2^7242345 is an apocalyptic number.

It is an amenable number.

7242345 is a deficient number, since it is larger than the sum of its proper divisors (6806295).

7242345 is a wasteful number, since it uses less digits than its factorization.

7242345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902 (or 4896 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 7242345 is about 2691.1605303289. The cubic root of 7242345 is about 193.4756895124.

The spelling of 7242345 in words is "seven million, two hundred forty-two thousand, three hundred forty-five".