7149669 has 8 divisors (see below), whose sum is σ = 9592032. Its totient is φ = 4736880.

The previous prime is 7149641. The next prime is 7149671. The reversal of 7149669 is 9669417.

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

It is not a de Polignac number, because 7149669 - 2⁸ = 7149413 is a prime.

It is a super-2 number, since 2×7149669² = 102235533619122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7149669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7141669) 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, 6822 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (1199004).

Almost surely, 2^7149669 is an apocalyptic number.

It is an amenable number.

7149669 is a deficient number, since it is larger than the sum of its proper divisors (2442363).

7149669 is a wasteful number, since it uses less digits than its factorization.

7149669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14787.

The product of its digits is 81648, while the sum is 42.

The square root of 7149669 is about 2673.8864972171. The cubic root of 7149669 is about 192.6468795240.

The spelling of 7149669 in words is "seven million, one hundred forty-nine thousand, six hundred sixty-nine".