4640774 has 4 divisors (see below), whose sum is σ = 6961164. Its totient is φ = 2320386.

The previous prime is 4640761. The next prime is 4640777. The reversal of 4640774 is 4770464.

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

It is an Ulam number.

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 4640774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160192 + ... + 1160195.

It is an arithmetic number, because the mean of its divisors is an integer number (1740291).

Almost surely, 2^4640774 is an apocalyptic number.

4640774 is a deficient number, since it is larger than the sum of its proper divisors (2320390).

4640774 is a wasteful number, since it uses less digits than its factorization.

4640774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320389.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 4640774 is about 2154.2455756018. The cubic root of 4640774 is about 166.8002919482.

The spelling of 4640774 in words is "four million, six hundred forty thousand, seven hundred seventy-four".