4645738 has 4 divisors (see below), whose sum is σ = 6968610. Its totient is φ = 2322868.

The previous prime is 4645733. The next prime is 4645783. The reversal of 4645738 is 8375464.

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., 3775249 + 870489 = 1943^2 + 933^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4645697 and 4645706.

It is not an unprimeable number, because it can be changed into a prime (4645733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161433 + ... + 1161436.

Almost surely, 2^4645738 is an apocalyptic number.

4645738 is a deficient number, since it is larger than the sum of its proper divisors (2322872).

4645738 is a wasteful number, since it uses less digits than its factorization.

4645738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322871.

The product of its digits is 80640, while the sum is 37.

The square root of 4645738 is about 2155.3974111518. The cubic root of 4645738 is about 166.8597433531.

The spelling of 4645738 in words is "four million, six hundred forty-five thousand, seven hundred thirty-eight".