4645749 has 8 divisors (see below), whose sum is σ = 6210432. Its totient is φ = 3089120.

The previous prime is 4645733. The next prime is 4645783. The reversal of 4645749 is 9475464.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4645749 - 2⁴ = 4645733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 3089.

It is an arithmetic number, because the mean of its divisors is an integer number (776304).

Almost surely, 2^4645749 is an apocalyptic number.

It is an amenable number.

4645749 is a deficient number, since it is larger than the sum of its proper divisors (1564683).

4645749 is a wasteful number, since it uses less digits than its factorization.

4645749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027.

The product of its digits is 120960, while the sum is 39.

The square root of 4645749 is about 2155.3999628839. The cubic root of 4645749 is about 166.8598750477.

The spelling of 4645749 in words is "four million, six hundred forty-five thousand, seven hundred forty-nine".