7020400 has 30 divisors (see below), whose sum is σ = 16867472. Its totient is φ = 2808000.

The previous prime is 7020397. The next prime is 7020413. The reversal of 7020400 is 40207.

7020400 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 8376 + ... + 9175.

Almost surely, 2^7020400 is an apocalyptic number.

It is an amenable number.

7020400 is an abundant number, since it is smaller than the sum of its proper divisors (9847072).

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

7020400 is a wasteful number, since it uses less digits than its factorization.

7020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17569 (or 17558 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 7020400 is about 2649.6037439587. The cubic root of 7020400 is about 191.4787656513.

Adding to 7020400 its reverse (40207), we get a palindrome (7060607).

The spelling of 7020400 in words is "seven million, twenty thousand, four hundred".