7665331 has 4 divisors (see below), whose sum is σ = 7670872. Its totient is φ = 7659792.

The previous prime is 7665313. The next prime is 7665347. The reversal of 7665331 is 1335667.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7665331 - 2¹¹ = 7663283 is a prime.

It is a super-2 number, since 2×7665331² = 117514598679122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 7665293 and 7665302.

It is not an unprimeable number, because it can be changed into a prime (7665311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255 + ... + 4111.

It is an arithmetic number, because the mean of its divisors is an integer number (1917718).

Almost surely, 2^7665331 is an apocalyptic number.

7665331 is a deficient number, since it is larger than the sum of its proper divisors (5541).

7665331 is a wasteful number, since it uses less digits than its factorization.

7665331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540.

The product of its digits is 11340, while the sum is 31.

The square root of 7665331 is about 2768.6334174101. The cubic root of 7665331 is about 197.1712717718.

The spelling of 7665331 in words is "seven million, six hundred sixty-five thousand, three hundred thirty-one".