7705090 has 16 divisors (see below), whose sum is σ = 13980672. Its totient is φ = 3057264.

The previous prime is 7705079. The next prime is 7705091. The reversal of 7705090 is 905077.

It is not an unprimeable number, because it can be changed into a prime (7705091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764 + ... + 4303.

It is an arithmetic number, because the mean of its divisors is an integer number (873792).

Almost surely, 2^7705090 is an apocalyptic number.

7705090 is a deficient number, since it is larger than the sum of its proper divisors (6275582).

7705090 is a wasteful number, since it uses less digits than its factorization.

7705090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6201.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 7705090 is about 2775.8043879207. The cubic root of 7705090 is about 197.5115840025.

The spelling of 7705090 in words is "seven million, seven hundred five thousand, ninety".