7242445 has 32 divisors (see below), whose sum is σ = 10483200. Its totient is φ = 4798080.

The previous prime is 7242419. The next prime is 7242449. The reversal of 7242445 is 5442427.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-7242445 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70264 + ... + 70366.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 2^7242445 is an apocalyptic number.

It is an amenable number.

7242445 is a deficient number, since it is larger than the sum of its proper divisors (3240755).

7242445 is a wasteful number, since it uses less digits than its factorization.

7242445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 156 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 7242445 is about 2691.1791096098. The cubic root of 7242445 is about 193.4765799919.

The spelling of 7242445 in words is "seven million, two hundred forty-two thousand, four hundred forty-five".