7342820 has 24 divisors (see below), whose sum is σ = 15640128. Its totient is φ = 2895200.

The previous prime is 7342817. The next prime is 7342831. The reversal of 7342820 is 282437.

It is a self number, because there is not a number n which added to its sum of digits gives 7342820.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (651672).

Almost surely, 2^7342820 is an apocalyptic number.

It is an amenable number.

7342820 is an abundant number, since it is smaller than the sum of its proper divisors (8297308).

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

7342820 is a wasteful number, since it uses less digits than its factorization.

7342820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251 (or 5249 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 7342820 is about 2709.7638273473. The cubic root of 7342820 is about 194.3662970018.

The spelling of 7342820 in words is "seven million, three hundred forty-two thousand, eight hundred twenty".