7649874 has 24 divisors (see below), whose sum is σ = 16725852. Its totient is φ = 2526720.

The previous prime is 7649867. The next prime is 7649879. The reversal of 7649874 is 4789467.

It can be written as a sum of positive squares in 2 ways, for example, as 6734025 + 915849 = 2595^2 + 957^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649879) 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, 154 + ... + 3914.

Almost surely, 2^7649874 is an apocalyptic number.

7649874 is an abundant number, since it is smaller than the sum of its proper divisors (9075978).

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

7649874 is a wasteful number, since it uses less digits than its factorization.

7649874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 3879 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 7649874 is about 2765.8405593960. The cubic root of 7649874 is about 197.0386518334.

The spelling of 7649874 in words is "seven million, six hundred forty-nine thousand, eight hundred seventy-four".