6965978 has 4 divisors (see below), whose sum is σ = 10448970. Its totient is φ = 3482988.

The previous prime is 6965977. The next prime is 6966007. The reversal of 6965978 is 8795696.

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

It can be written as a sum of positive squares in only one way, i.e., 6880129 + 85849 = 2623^2 + 293^2 .

It is not an unprimeable number, because it can be changed into a prime (6965977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1741493 + ... + 1741496.

Almost surely, 2^6965978 is an apocalyptic number.

6965978 is a deficient number, since it is larger than the sum of its proper divisors (3482992).

6965978 is a wasteful number, since it uses less digits than its factorization.

6965978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482991.

The product of its digits is 816480, while the sum is 50.

The square root of 6965978 is about 2639.3139260043. The cubic root of 6965978 is about 190.9827017584.

The spelling of 6965978 in words is "six million, nine hundred sixty-five thousand, nine hundred seventy-eight".