7542020 has 24 divisors (see below), whose sum is σ = 15892800. Its totient is φ = 3006432.

The previous prime is 7542019. The next prime is 7542023. The reversal of 7542020 is 202457.

7542020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 7541983 and 7542001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7542023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8351 + ... + 9209.

It is an arithmetic number, because the mean of its divisors is an integer number (662200).

Almost surely, 2^7542020 is an apocalyptic number.

It is an amenable number.

7542020 is an abundant number, since it is smaller than the sum of its proper divisors (8350780).

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

7542020 is a wasteful number, since it uses less digits than its factorization.

7542020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 7542020 is about 2746.2738392229. The cubic root of 7542020 is about 196.1082631095.

Adding to 7542020 its reverse (202457), we get a palindrome (7744477).

The spelling of 7542020 in words is "seven million, five hundred forty-two thousand, twenty".