4075978 has 8 divisors (see below), whose sum is σ = 6151968. Its totient is φ = 2025324.

The previous prime is 4075963. The next prime is 4075987. The reversal of 4075978 is 8795704.

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

It is a super-2 number, since 2×4075978² = 33227193312968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4075978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5926 + ... + 6577.

It is an arithmetic number, because the mean of its divisors is an integer number (768996).

Almost surely, 2^4075978 is an apocalyptic number.

4075978 is a deficient number, since it is larger than the sum of its proper divisors (2075990).

4075978 is a wasteful number, since it uses less digits than its factorization.

4075978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 4075978 is about 2018.9051488369. The cubic root of 4075978 is about 159.7388709294.

The spelling of 4075978 in words is "four million, seventy-five thousand, nine hundred seventy-eight".