7997340 has 48 divisors (see below), whose sum is σ = 24117408. Its totient is φ = 1968384.

The previous prime is 7997333. The next prime is 7997351. The reversal of 7997340 is 437997.

7997340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4347 + ... + 5906.

It is an arithmetic number, because the mean of its divisors is an integer number (502446).

Almost surely, 2^7997340 is an apocalyptic number.

It is an amenable number.

7997340 is an abundant number, since it is smaller than the sum of its proper divisors (16120068).

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

7997340 is a wasteful number, since it uses less digits than its factorization.

7997340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278 (or 10276 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 7997340 is about 2827.9568596427. The cubic root of 7997340 is about 199.9778308761.

The spelling of 7997340 in words is "seven million, nine hundred ninety-seven thousand, three hundred forty".