7959740 has 48 divisors (see below), whose sum is σ = 18162144. Its totient is φ = 2918400.

The previous prime is 7959719. The next prime is 7959761. The reversal of 7959740 is 479597.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7959719) and next prime (7959761).

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 13655 + ... + 14225.

It is an arithmetic number, because the mean of its divisors is an integer number (378378).

Almost surely, 2^7959740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7959740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9081072).

7959740 is an abundant number, since it is smaller than the sum of its proper divisors (10202404).

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

7959740 is a wasteful number, since it uses less digits than its factorization.

7959740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 7959740 is about 2821.3011182786. The cubic root of 7959740 is about 199.6639356200.

The spelling of 7959740 in words is "seven million, nine hundred fifty-nine thousand, seven hundred forty".