7479828 has 36 divisors (see below), whose sum is σ = 19032468. Its totient is φ = 2476800.

The previous prime is 7479821. The next prime is 7479839. The reversal of 7479828 is 8289747.

It can be written as a sum of positive squares in 2 ways, for example, as 2762244 + 4717584 = 1662^2 + 2172^2 .

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

It is a super-4 number, since 4×7479828⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7479821) 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, 5628 + ... + 6828.

Almost surely, 2^7479828 is an apocalyptic number.

It is an amenable number.

7479828 is an abundant number, since it is smaller than the sum of its proper divisors (11552640).

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

7479828 is a wasteful number, since it uses less digits than its factorization.

7479828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1379 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 7479828 is about 2734.9274213405. The cubic root of 7479828 is about 195.5677340231.

The spelling of 7479828 in words is "seven million, four hundred seventy-nine thousand, eight hundred twenty-eight".