7420470 has 64 divisors (see below), whose sum is σ = 18800640. Its totient is φ = 1872000.

The previous prime is 7420463. The next prime is 7420481. The reversal of 7420470 is 740247.

7420470 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7420470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73420 + ... + 73520.

It is an arithmetic number, because the mean of its divisors is an integer number (293760).

Almost surely, 2^7420470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7420470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9400320).

7420470 is an abundant number, since it is smaller than the sum of its proper divisors (11380170).

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

7420470 is a wasteful number, since it uses less digits than its factorization.

7420470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 7420470 is about 2724.0539642232. The cubic root of 7420470 is about 195.0490343487.

The spelling of 7420470 in words is "seven million, four hundred twenty thousand, four hundred seventy".