7420565 has 8 divisors (see below), whose sum is σ = 9030528. Its totient is φ = 5852560.

The previous prime is 7420561. The next prime is 7420573. The reversal of 7420565 is 5650247.

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

It is not a de Polignac number, because 7420565 - 2² = 7420561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10097 + ... + 10806.

It is an arithmetic number, because the mean of its divisors is an integer number (1128816).

Almost surely, 2^7420565 is an apocalyptic number.

It is an amenable number.

7420565 is a deficient number, since it is larger than the sum of its proper divisors (1609963).

7420565 is a wasteful number, since it uses less digits than its factorization.

7420565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20979.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 7420565 is about 2724.0714014137. The cubic root of 7420565 is about 195.0498667119.

The spelling of 7420565 in words is "seven million, four hundred twenty thousand, five hundred sixty-five".