7420055 has 8 divisors (see below), whose sum is σ = 8923632. Its totient is φ = 5923008.

The previous prime is 7420043. The next prime is 7420069. The reversal of 7420055 is 5500247.

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 7420055 - 2⁶ = 7419991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7420055.

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, 1379 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (1115454).

Almost surely, 2^7420055 is an apocalyptic number.

7420055 is a deficient number, since it is larger than the sum of its proper divisors (1503577).

7420055 is a wasteful number, since it uses less digits than its factorization.

7420055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 7420055 is about 2723.9777899241. The cubic root of 7420055 is about 195.0453981523.

The spelling of 7420055 in words is "seven million, four hundred twenty thousand, fifty-five".