7440245 has 8 divisors (see below), whose sum is σ = 9012384. Its totient is φ = 5896144.

The previous prime is 7440227. The next prime is 7440263. The reversal of 7440245 is 5420447.

It is an interprime number because it is at equal distance from previous prime (7440227) and next prime (7440263).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7440245 - 2¹⁶ = 7374709 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6419 + ... + 7488.

It is an arithmetic number, because the mean of its divisors is an integer number (1126548).

Almost surely, 2^7440245 is an apocalyptic number.

It is an amenable number.

7440245 is a deficient number, since it is larger than the sum of its proper divisors (1572139).

7440245 is a wasteful number, since it uses less digits than its factorization.

7440245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14019.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 7440245 is about 2727.6812497064. The cubic root of 7440245 is about 195.2221443821. Note that the first 3 decimals are identical.

It can be divided in two parts, 74402 and 45, that added together give a palindrome (74447).

The spelling of 7440245 in words is "seven million, four hundred forty thousand, two hundred forty-five".