7442253 has 48 divisors (see below), whose sum is σ = 13703040. Its totient is φ = 3908736.

The previous prime is 7442249. The next prime is 7442333. The reversal of 7442253 is 3522447.

It is not a de Polignac number, because 7442253 - 2² = 7442249 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7442203) 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 47 ways as a sum of consecutive naturals, for example, 31825 + ... + 32057.

It is an arithmetic number, because the mean of its divisors is an integer number (285480).

Almost surely, 2^7442253 is an apocalyptic number.

It is an amenable number.

7442253 is a deficient number, since it is larger than the sum of its proper divisors (6260787).

7442253 is a wasteful number, since it uses less digits than its factorization.

7442253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 256 counting only the distinct ones).

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

The square root of 7442253 is about 2728.0493030735. The cubic root of 7442253 is about 195.2397052198.

The spelling of 7442253 in words is "seven million, four hundred forty-two thousand, two hundred fifty-three".