7975930 has 8 divisors (see below), whose sum is σ = 14356692. Its totient is φ = 3190368.

The previous prime is 7975921. The next prime is 7975937. The reversal of 7975930 is 395797.

It can be written as a sum of positive squares in 2 ways, for example, as 7241481 + 734449 = 2691^2 + 857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7975937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398787 + ... + 398806.

Almost surely, 2^7975930 is an apocalyptic number.

7975930 is a deficient number, since it is larger than the sum of its proper divisors (6380762).

7975930 is a wasteful number, since it uses less digits than its factorization.

7975930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797600.

The product of its (nonzero) digits is 59535, while the sum is 40.

The square root of 7975930 is about 2824.1689042973. The cubic root of 7975930 is about 199.7992151614.

The spelling of 7975930 in words is "seven million, nine hundred seventy-five thousand, nine hundred thirty".