7278996 has 24 divisors (see below), whose sum is σ = 17146080. Its totient is φ = 2403232.

The previous prime is 7278961. The next prime is 7279003. The reversal of 7278996 is 6998727.

It is a d-powerful number, because it can be written as 7² + 2²¹ + 7⁶ + 8³ + 9³ + 9⁷ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1551 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

Almost surely, 2^7278996 is an apocalyptic number.

It is an amenable number.

7278996 is an abundant number, since it is smaller than the sum of its proper divisors (9867084).

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

7278996 is a wasteful number, since it uses less digits than its factorization.

7278996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783 (or 5781 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 7278996 is about 2697.9614526527. The cubic root of 7278996 is about 193.8015116591.

The spelling of 7278996 in words is "seven million, two hundred seventy-eight thousand, nine hundred ninety-six".