7975707 has 4 divisors (see below), whose sum is σ = 10634280. Its totient is φ = 5317136.

The previous prime is 7975691. The next prime is 7975717. The reversal of 7975707 is 7075797.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7975707 - 2⁴ = 7975691 is a prime.

It is a super-2 number, since 2×7975707² = 127223804299698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7975717) 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, 1329282 + ... + 1329287.

It is an arithmetic number, because the mean of its divisors is an integer number (2658570).

Almost surely, 2^7975707 is an apocalyptic number.

7975707 is a deficient number, since it is larger than the sum of its proper divisors (2658573).

7975707 is a wasteful number, since it uses less digits than its factorization.

7975707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658572.

The product of its (nonzero) digits is 108045, while the sum is 42.

The square root of 7975707 is about 2824.1294233799. The cubic root of 7975707 is about 199.7973530738.

The spelling of 7975707 in words is "seven million, nine hundred seventy-five thousand, seven hundred seven".