7639480 has 32 divisors (see below), whose sum is σ = 17270640. Its totient is φ = 3041280.

The previous prime is 7639439. The next prime is 7639481. The reversal of 7639480 is 849367.

7639480 is nontrivially palindromic in base 9.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7639481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12952 + ... + 13528.

Almost surely, 2^7639480 is an apocalyptic number.

It is an amenable number.

7639480 is an abundant number, since it is smaller than the sum of its proper divisors (9631160).

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

7639480 is a wasteful number, since it uses less digits than its factorization.

7639480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 7639480 is about 2763.9609259177. The cubic root of 7639480 is about 196.9493715827.

The spelling of 7639480 in words is "seven million, six hundred thirty-nine thousand, four hundred eighty".