7465638 has 16 divisors (see below), whose sum is σ = 15335280. Its totient is φ = 2421216.

The previous prime is 7465631. The next prime is 7465657. The reversal of 7465638 is 8365647.

It is a junction number, because it is equal to n+sod(n) for n = 7465596 and 7465605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7465631) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16593 + ... + 17036.

It is an arithmetic number, because the mean of its divisors is an integer number (958455).

Almost surely, 2^7465638 is an apocalyptic number.

7465638 is an abundant number, since it is smaller than the sum of its proper divisors (7869642).

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

7465638 is a wasteful number, since it uses less digits than its factorization.

7465638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33671.

The product of its digits is 120960, while the sum is 39.

The square root of 7465638 is about 2732.3319710460. The cubic root of 7465638 is about 195.4439850597.

Subtracting 7465638 from its reverse (8365647), we obtain a palindrome (900009).

The spelling of 7465638 in words is "seven million, four hundred sixty-five thousand, six hundred thirty-eight".