4722745 has 8 divisors (see below), whose sum is σ = 5680584. Its totient is φ = 3769344.

The previous prime is 4722721. The next prime is 4722761. The reversal of 4722745 is 5472274.

It can be written as a sum of positive squares in 4 ways, for example, as 609961 + 4112784 = 781^2 + 2028^2 .

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 4722745 - 2⁵ = 4722713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067 + ... + 3703.

It is an arithmetic number, because the mean of its divisors is an integer number (710073).

Almost surely, 2^4722745 is an apocalyptic number.

It is an amenable number.

4722745 is a deficient number, since it is larger than the sum of its proper divisors (957839).

4722745 is a wasteful number, since it uses less digits than its factorization.

4722745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219.

The product of its digits is 15680, while the sum is 31.

The square root of 4722745 is about 2173.1877507477. The cubic root of 4722745 is about 167.7766424235.

The spelling of 4722745 in words is "four million, seven hundred twenty-two thousand, seven hundred forty-five".