7772990 has 16 divisors (see below), whose sum is σ = 14023152. Its totient is φ = 3102144.

The previous prime is 7772983. The next prime is 7773013. The reversal of 7772990 is 992777.

It is a happy number.

It is a congruent number.

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, 8117 + ... + 9023.

It is an arithmetic number, because the mean of its divisors is an integer number (876447).

Almost surely, 2^7772990 is an apocalyptic number.

7772990 is a deficient number, since it is larger than the sum of its proper divisors (6250162).

7772990 is a wasteful number, since it uses less digits than its factorization.

7772990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 55566, while the sum is 41.

The square root of 7772990 is about 2788.0082496291. The cubic root of 7772990 is about 198.0900688748.

The spelling of 7772990 in words is "seven million, seven hundred seventy-two thousand, nine hundred ninety".