7149648 has 60 divisors (see below), whose sum is σ = 20318144. Its totient is φ = 2164800.

The previous prime is 7149641. The next prime is 7149671. The reversal of 7149648 is 8469417.

It is a happy number.

It is a super-2 number, since 2×7149648² = 102234933047808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5193 + ... + 6423.

Almost surely, 2^7149648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7149648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10159072).

7149648 is an abundant number, since it is smaller than the sum of its proper divisors (13168496).

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

7149648 is a wasteful number, since it uses less digits than its factorization.

7149648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1247 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 7149648 is about 2673.8825703460. The cubic root of 7149648 is about 192.6466909097.

The spelling of 7149648 in words is "seven million, one hundred forty-nine thousand, six hundred forty-eight".