7428965 has 4 divisors (see below), whose sum is σ = 8914764. Its totient is φ = 5943168.

The previous prime is 7428937. The next prime is 7428997. The reversal of 7428965 is 5698247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3928324 + 3500641 = 1982^2 + 1871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7428965 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 742892 + ... + 742901.

It is an arithmetic number, because the mean of its divisors is an integer number (2228691).

Almost surely, 2^7428965 is an apocalyptic number.

It is an amenable number.

7428965 is a deficient number, since it is larger than the sum of its proper divisors (1485799).

7428965 is a wasteful number, since it uses less digits than its factorization.

7428965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485798.

The product of its digits is 120960, while the sum is 41.

The square root of 7428965 is about 2725.6127751388. The cubic root of 7428965 is about 195.1234370777.

The spelling of 7428965 in words is "seven million, four hundred twenty-eight thousand, nine hundred sixty-five".