7663669 has 24 divisors (see below), whose sum is σ = 9217152. Its totient is φ = 6320160.

The previous prime is 7663637. The next prime is 7663693. The reversal of 7663669 is 9663667.

It is not a de Polignac number, because 7663669 - 2⁵ = 7663637 is a prime.

It is a super-2 number, since 2×7663669² = 117463645083122, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (244944) is a multiple of the sum of its prime divisors (126).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7663069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107904 + ... + 107974.

It is an arithmetic number, because the mean of its divisors is an integer number (384048).

Almost surely, 2^7663669 is an apocalyptic number.

It is an amenable number.

7663669 is a deficient number, since it is larger than the sum of its proper divisors (1553483).

7663669 is a wasteful number, since it uses less digits than its factorization.

7663669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 126 counting only the distinct ones).

The product of its digits is 244944, while the sum is 43.

The square root of 7663669 is about 2768.3332530604. Note that the first 3 decimals coincide. The cubic root of 7663669 is about 197.1570204915.

The spelling of 7663669 in words is "seven million, six hundred sixty-three thousand, six hundred sixty-nine".