7252690 has 16 divisors (see below), whose sum is σ = 13191192. Its totient is φ = 2870784.

The previous prime is 7252669. The next prime is 7252733. The reversal of 7252690 is 962527.

It can be written as a sum of positive squares in 4 ways, for example, as 6964321 + 288369 = 2639^2 + 537^2 .

It is a super-2 number, since 2×7252690² = 105203024472200, which contains 22 as substring.

It is an Ulam 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, 2769 + ... + 4708.

Almost surely, 2^7252690 is an apocalyptic number.

7252690 is a deficient number, since it is larger than the sum of its proper divisors (5938502).

7252690 is a wasteful number, since it uses less digits than its factorization.

7252690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7581.

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

The square root of 7252690 is about 2693.0818777007. The cubic root of 7252690 is about 193.5677662167.

The spelling of 7252690 in words is "seven million, two hundred fifty-two thousand, six hundred ninety".