7427245 has 8 divisors (see below), whose sum is σ = 10185984. Its totient is φ = 5092944.

The previous prime is 7427221. The next prime is 7427281. The reversal of 7427245 is 5427247.

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 7427245 - 2⁷ = 7427117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106069 + ... + 106138.

It is an arithmetic number, because the mean of its divisors is an integer number (1273248).

Almost surely, 2^7427245 is an apocalyptic number.

It is an amenable number.

7427245 is a deficient number, since it is larger than the sum of its proper divisors (2758739).

7427245 is a wasteful number, since it uses less digits than its factorization.

7427245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212219.

The product of its digits is 15680, while the sum is 31.

The square root of 7427245 is about 2725.2972314960. The cubic root of 7427245 is about 195.1083771864.

The spelling of 7427245 in words is "seven million, four hundred twenty-seven thousand, two hundred forty-five".