601778 has 4 divisors (see below), whose sum is σ = 902670. Its totient is φ = 300888.

The previous prime is 601771. The next prime is 601801. The reversal of 601778 is 877106.

601778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 552049 + 49729 = 743^2 + 223^2 .

It is a super-2 number, since 2×601778² = 724273522568, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 601778.

It is not an unprimeable number, because it can be changed into a prime (601771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150443 + ... + 150446.

2⁶⁰¹⁷⁷⁸ is an apocalyptic number.

601778 is a deficient number, since it is larger than the sum of its proper divisors (300892).

601778 is a wasteful number, since it uses less digits than its factorization.

601778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300891.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 601778 is about 775.7435143138. The cubic root of 601778 is about 84.4264967756.

The spelling of 601778 in words is "six hundred one thousand, seven hundred seventy-eight".