7292090 has 16 divisors (see below), whose sum is σ = 14135688. Its totient is φ = 2692416.

The previous prime is 7292083. The next prime is 7292093. The reversal of 7292090 is 902927.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3485689 + 3806401 = 1867^2 + 1951^2 .

It is not an unprimeable number, because it can be changed into a prime (7292093) by changing a digit.

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, 27917 + ... + 28176.

Almost surely, 2^7292090 is an apocalyptic number.

7292090 is a deficient number, since it is larger than the sum of its proper divisors (6843598).

7292090 is a wasteful number, since it uses less digits than its factorization.

7292090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56113.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 7292090 is about 2700.3870093007. The cubic root of 7292090 is about 193.9176502439.

The spelling of 7292090 in words is "seven million, two hundred ninety-two thousand, ninety".