7966057 has 4 divisors (see below), whose sum is σ = 8690256. Its totient is φ = 7241860.

The previous prime is 7966031. The next prime is 7966061. The reversal of 7966057 is 7506697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7506697 = 11 ⋅682427.

It is a cyclic number.

It is not a de Polignac number, because 7966057 - 2¹⁹ = 7441769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7966157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362083 + ... + 362104.

It is an arithmetic number, because the mean of its divisors is an integer number (2172564).

Almost surely, 2^7966057 is an apocalyptic number.

It is an amenable number.

7966057 is a deficient number, since it is larger than the sum of its proper divisors (724199).

7966057 is a wasteful number, since it uses less digits than its factorization.

7966057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724198.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 7966057 is about 2822.4204151756. The cubic root of 7966057 is about 199.7167406768.

The spelling of 7966057 in words is "seven million, nine hundred sixty-six thousand, fifty-seven".