7525990 has 16 divisors (see below), whose sum is σ = 13640400. Its totient is φ = 2989600.

The previous prime is 7525979. The next prime is 7526003. The reversal of 7525990 is 995257.

It is a super-3 number, since 3×7525990³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036 + ... + 4015.

It is an arithmetic number, because the mean of its divisors is an integer number (852525).

Almost surely, 2^7525990 is an apocalyptic number.

7525990 is a deficient number, since it is larger than the sum of its proper divisors (6114410).

7525990 is a wasteful number, since it uses less digits than its factorization.

7525990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 7525990 is about 2743.3537868820. The cubic root of 7525990 is about 195.9692267388.

It can be divided in two parts, 7525 and 990, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 7525990 in words is "seven million, five hundred twenty-five thousand, nine hundred ninety".