7520722 has 8 divisors (see below), whose sum is σ = 12306672. Its totient is φ = 3418500.

The previous prime is 7520719. The next prime is 7520729. The reversal of 7520722 is 2270257.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7520722² = 113122518802568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7520729) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 170904 + ... + 170947.

It is an arithmetic number, because the mean of its divisors is an integer number (1538334).

Almost surely, 2^7520722 is an apocalyptic number.

7520722 is a deficient number, since it is larger than the sum of its proper divisors (4785950).

7520722 is a wasteful number, since it uses less digits than its factorization.

7520722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341864.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 7520722 is about 2742.3934801556. The cubic root of 7520722 is about 195.9234915883.

Adding to 7520722 its reverse (2270257), we get a palindrome (9790979).

The spelling of 7520722 in words is "seven million, five hundred twenty thousand, seven hundred twenty-two".