7506490 has 16 divisors (see below), whose sum is σ = 13545000. Its totient is φ = 2995200.

The previous prime is 7506439. The next prime is 7506509. The reversal of 7506490 is 946057.

It can be written as a sum of positive squares in 4 ways, for example, as 6754801 + 751689 = 2599^2 + 867^2 .

It is an Ulam number.

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 in 7 ways as a sum of consecutive naturals, for example, 5386 + ... + 6634.

Almost surely, 2^7506490 is an apocalyptic number.

7506490 is a deficient number, since it is larger than the sum of its proper divisors (6038510).

7506490 is a wasteful number, since it uses less digits than its factorization.

7506490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7506490 is about 2739.7974377680. The cubic root of 7506490 is about 195.7998268715.

The spelling of 7506490 in words is "seven million, five hundred six thousand, four hundred ninety".