7826920 has 32 divisors (see below), whose sum is σ = 17690400. Its totient is φ = 3116608.

The previous prime is 7826899. The next prime is 7827019. The reversal of 7826920 is 296287.

It is a super-2 number, since 2×7826920² = 122521353372800, which contains 22 as substring.

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, 16527 + ... + 16993.

It is an arithmetic number, because the mean of its divisors is an integer number (552825).

Almost surely, 2^7826920 is an apocalyptic number.

It is an amenable number.

7826920 is an abundant number, since it is smaller than the sum of its proper divisors (9863480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7826920 is a wasteful number, since it uses less digits than its factorization.

7826920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7826920 is about 2797.6633106934. The cubic root of 7826920 is about 198.5471381853.

The spelling of 7826920 in words is "seven million, eight hundred twenty-six thousand, nine hundred twenty".