7279842 has 32 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 2263808.

The previous prime is 7279829. The next prime is 7279849. The reversal of 7279842 is 2489727.

7279842 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 7279842.

It is not an unprimeable number, because it can be changed into a prime (7279849) 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, 14959 + ... + 15437.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 2^7279842 is an apocalyptic number.

7279842 is an abundant number, since it is smaller than the sum of its proper divisors (8272158).

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

7279842 is a wasteful number, since it uses less digits than its factorization.

7279842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its digits is 56448, while the sum is 39.

The square root of 7279842 is about 2698.1182331395. The cubic root of 7279842 is about 193.8090195502.

The spelling of 7279842 in words is "seven million, two hundred seventy-nine thousand, eight hundred forty-two".