7420929 has 8 divisors (see below), whose sum is σ = 9930912. Its totient is φ = 4929120.

The previous prime is 7420921. The next prime is 7420939. The reversal of 7420929 is 9290247.

7420929 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7420929 - 2³ = 7420921 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

7420929 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7420929.

It is not an unprimeable number, because it can be changed into a prime (7420921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3559 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (1241364).

Almost surely, 2^7420929 is an apocalyptic number.

It is an amenable number.

7420929 is a deficient number, since it is larger than the sum of its proper divisors (2509983).

7420929 is a wasteful number, since it uses less digits than its factorization.

7420929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 7420929 is about 2724.1382123527. The cubic root of 7420929 is about 195.0530559116.

The spelling of 7420929 in words is "seven million, four hundred twenty thousand, nine hundred twenty-nine".