7890772 has 12 divisors (see below), whose sum is σ = 13846420. Its totient is φ = 3934656.

The previous prime is 7890769. The next prime is 7890787. The reversal of 7890772 is 2770987.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 4519876 = 1836^2 + 2126^2 .

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897 + ... + 4072.

Almost surely, 2^7890772 is an apocalyptic number.

It is an amenable number.

7890772 is a deficient number, since it is larger than the sum of its proper divisors (5955648).

7890772 is a wasteful number, since it uses less digits than its factorization.

7890772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370 (or 5368 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 7890772 is about 2809.0517973152. The cubic root of 7890772 is about 199.0855923312.

The spelling of 7890772 in words is "seven million, eight hundred ninety thousand, seven hundred seventy-two".