7250090 has 8 divisors (see below), whose sum is σ = 13050180. Its totient is φ = 2900032.

The previous prime is 7250069. The next prime is 7250099. The reversal of 7250090 is 900527.

It can be written as a sum of positive squares in 2 ways, for example, as 6046681 + 1203409 = 2459^2 + 1097^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7250099) 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, 362495 + ... + 362514.

Almost surely, 2^7250090 is an apocalyptic number.

7250090 is a deficient number, since it is larger than the sum of its proper divisors (5800090).

7250090 is a wasteful number, since it uses less digits than its factorization.

7250090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725016.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 7250090 is about 2692.5991160958. The cubic root of 7250090 is about 193.5446328991.

The spelling of 7250090 in words is "seven million, two hundred fifty thousand, ninety".