7813330 has 48 divisors (see below), whose sum is σ = 16881984. Its totient is φ = 2550240.

The previous prime is 7813303. The next prime is 7813331. The reversal of 7813330 is 333187.

It is a super-2 number, since 2×7813330² = 122096251377800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7813295 and 7813304.

It is not an unprimeable number, because it can be changed into a prime (7813331) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 36925 + ... + 37135.

It is an arithmetic number, because the mean of its divisors is an integer number (351708).

Almost surely, 2^7813330 is an apocalyptic number.

7813330 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7813330 is an abundant number, since it is smaller than the sum of its proper divisors (9068654).

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

7813330 is a wasteful number, since it uses less digits than its factorization.

7813330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 7813330 is about 2795.2334428452. The cubic root of 7813330 is about 198.4321581425.

The spelling of 7813330 in words is "seven million, eight hundred thirteen thousand, three hundred thirty".