7420245 has 32 divisors (see below), whose sum is σ = 14370048. Its totient is φ = 3191808.

The previous prime is 7420243. The next prime is 7420261. The reversal of 7420245 is 5420247.

It is not a de Polignac number, because 7420245 - 2¹ = 7420243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420243) 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, 294 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (449064).

Almost surely, 2^7420245 is an apocalyptic number.

It is an amenable number.

7420245 is a deficient number, since it is larger than the sum of its proper divisors (6949803).

7420245 is a wasteful number, since it uses less digits than its factorization.

7420245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 7420245 is about 2724.0126651688. The cubic root of 7420245 is about 195.0470629338.

It can be divided in two parts, 74202 and 45, that added together give a palindrome (74247).

The spelling of 7420245 in words is "seven million, four hundred twenty thousand, two hundred forty-five".