7502216 has 8 divisors (see below), whose sum is σ = 14066670. Its totient is φ = 3751104.

The previous prime is 7502197. The next prime is 7502227. The reversal of 7502216 is 6122057.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 1020100 = 2546^2 + 1010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 7502191 and 7502200.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 468881 + ... + 468896.

Almost surely, 2^7502216 is an apocalyptic number.

It is an amenable number.

7502216 is a deficient number, since it is larger than the sum of its proper divisors (6564454).

7502216 is a wasteful number, since it uses less digits than its factorization.

7502216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937783 (or 937779 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7502216 is about 2739.0173420408. The cubic root of 7502216 is about 195.7626587082.

The spelling of 7502216 in words is "seven million, five hundred two thousand, two hundred sixteen".