7922740 has 24 divisors (see below), whose sum is σ = 19014912. Its totient is φ = 2716320.

The previous prime is 7922723. The next prime is 7922767. The reversal of 7922740 is 472297.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28156 + ... + 28435.

It is an arithmetic number, because the mean of its divisors is an integer number (792288).

Almost surely, 2^7922740 is an apocalyptic number.

7922740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7922740 is an abundant number, since it is smaller than the sum of its proper divisors (11092172).

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

7922740 is a wasteful number, since it uses less digits than its factorization.

7922740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56607 (or 56605 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 7922740 is about 2814.7362220997. The cubic root of 7922740 is about 199.3540828676.

It can be divided in two parts, 79 and 22740, that multiplied together give a triangular number (1796460 = T₁₈₉₅).

The spelling of 7922740 in words is "seven million, nine hundred twenty-two thousand, seven hundred forty".