7563420 has 36 divisors (see below), whose sum is σ = 22942920. Its totient is φ = 2016864.

The previous prime is 7563397. The next prime is 7563427. The reversal of 7563420 is 243657.

It is a happy number.

7563420 is a `hidden beast` number, since 7 + 5 + 634 + 20 = 666.

7563420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7563427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20830 + ... + 21189.

Almost surely, 2^7563420 is an apocalyptic number.

It is an amenable number.

7563420 is an abundant number, since it is smaller than the sum of its proper divisors (15379500).

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

7563420 is a wasteful number, since it uses less digits than its factorization.

7563420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42034 (or 42029 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7563420 is about 2750.1672676403. The cubic root of 7563420 is about 196.2935695115.

It can be divided in two parts, 7563 and 420, that multiplied together give a triangular number (3176460 = T₂₅₂₀).

The spelling of 7563420 in words is "seven million, five hundred sixty-three thousand, four hundred twenty".