7278234 has 16 divisors (see below), whose sum is σ = 14628000. Its totient is φ = 2414160.

The previous prime is 7278209. The next prime is 7278239. The reversal of 7278234 is 4328727.

It is a junction number, because it is equal to n+sod(n) for n = 7278195 and 7278204.

It is not an unprimeable number, because it can be changed into a prime (7278239) 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 7 ways as a sum of consecutive naturals, for example, 1609 + ... + 4140.

It is an arithmetic number, because the mean of its divisors is an integer number (914250).

Almost surely, 2^7278234 is an apocalyptic number.

7278234 is an abundant number, since it is smaller than the sum of its proper divisors (7349766).

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

7278234 is a wasteful number, since it uses less digits than its factorization.

7278234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965.

The product of its digits is 18816, while the sum is 33.

The square root of 7278234 is about 2697.8202312237. The cubic root of 7278234 is about 193.7947487344.

The spelling of 7278234 in words is "seven million, two hundred seventy-eight thousand, two hundred thirty-four".