7490220 has 48 divisors (see below), whose sum is σ = 21654528. Its totient is φ = 1932480.

The previous prime is 7490209. The next prime is 7490221. The reversal of 7490220 is 220947.

It is a super-2 number, since 2×7490220² = 112206791296800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7490221) 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 15 ways as a sum of consecutive naturals, for example, 154 + ... + 3873.

It is an arithmetic number, because the mean of its divisors is an integer number (451136).

Almost surely, 2^7490220 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 7490220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10827264).

7490220 is an abundant number, since it is smaller than the sum of its proper divisors (14164308).

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

7490220 is a wasteful number, since it uses less digits than its factorization.

7490220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070 (or 4068 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7490220 is about 2736.8266295109. The cubic root of 7490220 is about 195.6582619254.

The spelling of 7490220 in words is "seven million, four hundred ninety thousand, two hundred twenty".