5747978 has 4 divisors (see below), whose sum is σ = 8621970. Its totient is φ = 2873988.

The previous prime is 5747977. The next prime is 5747983. The reversal of 5747978 is 8797475.

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., 5396329 + 351649 = 2323^2 + 593^2 .

It is not an unprimeable number, because it can be changed into a prime (5747977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436993 + ... + 1436996.

Almost surely, 2^5747978 is an apocalyptic number.

5747978 is a deficient number, since it is larger than the sum of its proper divisors (2873992).

5747978 is a wasteful number, since it uses less digits than its factorization.

5747978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873991.

The product of its digits is 493920, while the sum is 47.

The square root of 5747978 is about 2397.4941084391. The cubic root of 5747978 is about 179.1313913126.

The spelling of 5747978 in words is "five million, seven hundred forty-seven thousand, nine hundred seventy-eight".