7290030 has 32 divisors (see below), whose sum is σ = 19087488. Its totient is φ = 1767200.

The previous prime is 7290001. The next prime is 7290037. The reversal of 7290030 is 300927.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7289979 and 7290006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7290037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10716 + ... + 11375.

It is an arithmetic number, because the mean of its divisors is an integer number (596484).

Almost surely, 2^7290030 is an apocalyptic number.

7290030 is an abundant number, since it is smaller than the sum of its proper divisors (11797458).

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

7290030 is a wasteful number, since it uses less digits than its factorization.

7290030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22112.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 7290030 is about 2700.0055555498. The cubic root of 7290030 is about 193.8993880821.

Adding to 7290030 its reverse (300927), we get a palindrome (7590957).

The spelling of 7290030 in words is "seven million, two hundred ninety thousand, thirty".