7420270 has 32 divisors (see below), whose sum is σ = 15694560. Its totient is φ = 2490240.

The previous prime is 7420261. The next prime is 7420277. The reversal of 7420270 is 720247.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420277) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1165 + ... + 4024.

It is an arithmetic number, because the mean of its divisors is an integer number (490455).

Almost surely, 2^7420270 is an apocalyptic number.

7420270 is an abundant number, since it is smaller than the sum of its proper divisors (8274290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7420270 is a wasteful number, since it uses less digits than its factorization.

7420270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 7420270 is about 2724.0172539835. The cubic root of 7420270 is about 195.0472819818.

The spelling of 7420270 in words is "seven million, four hundred twenty thousand, two hundred seventy".