7268420 has 24 divisors (see below), whose sum is σ = 15553944. Its totient is φ = 2852096.

The previous prime is 7268411. The next prime is 7268423. The reversal of 7268420 is 248627.

It can be written as a sum of positive squares in 4 ways, for example, as 53824 + 7214596 = 232^2 + 2686^2 .

It is not an unprimeable number, because it can be changed into a prime (7268423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369 + ... + 4488.

It is an arithmetic number, because the mean of its divisors is an integer number (648081).

Almost surely, 2^7268420 is an apocalyptic number.

It is an amenable number.

7268420 is an abundant number, since it is smaller than the sum of its proper divisors (8285524).

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

7268420 is a wasteful number, since it uses less digits than its factorization.

7268420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919 (or 6917 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 7268420 is about 2696.0007418397. Note that the first 3 decimals coincide. The cubic root of 7268420 is about 193.7076050148.

The spelling of 7268420 in words is "seven million, two hundred sixty-eight thousand, four hundred twenty".