7479985 has 8 divisors (see below), whose sum is σ = 9012456. Its totient is φ = 5959680.

The previous prime is 7479971. The next prime is 7480013. The reversal of 7479985 is 5899747.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4297329 + 3182656 = 2073^2 + 1784^2 .

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

It is not a de Polignac number, because 7479985 - 2¹⁵ = 7447217 is a prime.

It is a Duffinian number.

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, 1626 + ... + 4195.

It is an arithmetic number, because the mean of its divisors is an integer number (1126557).

Almost surely, 2^7479985 is an apocalyptic number.

It is an amenable number.

7479985 is a deficient number, since it is larger than the sum of its proper divisors (1532471).

7479985 is a wasteful number, since it uses less digits than its factorization.

7479985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083.

The product of its digits is 635040, while the sum is 49.

The square root of 7479985 is about 2734.9561239625. The cubic root of 7479985 is about 195.5691023219.

It can be divided in two parts, 7479 and 985, that added together give a square (8464 = 92²).

The spelling of 7479985 in words is "seven million, four hundred seventy-nine thousand, nine hundred eighty-five".