7631644 has 6 divisors (see below), whose sum is σ = 13355384. Its totient is φ = 3815820.

The previous prime is 7631641. The next prime is 7631677. The reversal of 7631644 is 4461367.

It is a super-3 number, since 3×7631644³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7631641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953952 + ... + 953959.

Almost surely, 2^7631644 is an apocalyptic number.

It is an amenable number.

7631644 is a deficient number, since it is larger than the sum of its proper divisors (5723740).

7631644 is a wasteful number, since it uses less digits than its factorization.

7631644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907915 (or 1907913 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 7631644 is about 2762.5430313391. The cubic root of 7631644 is about 196.8820099629.

The spelling of 7631644 in words is "seven million, six hundred thirty-one thousand, six hundred forty-four".