7535420 has 48 divisors (see below), whose sum is σ = 17236800. Its totient is φ = 2755584.

The previous prime is 7535417. The next prime is 7535459. The reversal of 7535420 is 245357.

It is a self number, because there is not a number n which added to its sum of digits gives 7535420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12281 + ... + 12879.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^7535420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7535420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8618400).

7535420 is an abundant number, since it is smaller than the sum of its proper divisors (9701380).

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

7535420 is a wasteful number, since it uses less digits than its factorization.

7535420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 7535420 is about 2745.0719480553. The cubic root of 7535420 is about 196.0510418226.

The spelling of 7535420 in words is "seven million, five hundred thirty-five thousand, four hundred twenty".