7250644 has 6 divisors (see below), whose sum is σ = 12688634. Its totient is φ = 3625320.

The previous prime is 7250629. The next prime is 7250669. The reversal of 7250644 is 4460527.

It can be written as a sum of positive squares in only one way, i.e., 6959044 + 291600 = 2638^2 + 540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906327 + ... + 906334.

Almost surely, 2^7250644 is an apocalyptic number.

It is an amenable number.

7250644 is a deficient number, since it is larger than the sum of its proper divisors (5437990).

7250644 is a wasteful number, since it uses less digits than its factorization.

7250644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812665 (or 1812663 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 7250644 is about 2692.7019887095. The cubic root of 7250644 is about 193.5495625389.

The spelling of 7250644 in words is "seven million, two hundred fifty thousand, six hundred forty-four".