7430090 has 16 divisors (see below), whose sum is σ = 13835880. Its totient is φ = 2869440.

The previous prime is 7430069. The next prime is 7430107. The reversal of 7430090 is 900347.

It can be written as a sum of positive squares in 4 ways, for example, as 4879681 + 2550409 = 2209^2 + 1597^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12521 + ... + 13100.

Almost surely, 2^7430090 is an apocalyptic number.

7430090 is a deficient number, since it is larger than the sum of its proper divisors (6405790).

7430090 is a wasteful number, since it uses less digits than its factorization.

7430090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25657.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 7430090 is about 2725.8191429367. The cubic root of 7430090 is about 195.1332860400.

The spelling of 7430090 in words is "seven million, four hundred thirty thousand, ninety".