4257748073 has 8 divisors (see below), whose sum is σ = 4508961192. Its totient is φ = 4006619136.

The previous prime is 4257748067. The next prime is 4257748127. The reversal of 4257748073 is 3708477524.

4257748073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 996538624 + 3261209449 = 31568^2 + 57107^2 .

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 4257748073 - 2⁶ = 4257748009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4257748003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104561 + ... + 139457.

It is an arithmetic number, because the mean of its divisors is an integer number (563620149).

Almost surely, 2^4257748073 is an apocalyptic number.

It is an amenable number.

4257748073 is a deficient number, since it is larger than the sum of its proper divisors (251213119).

4257748073 is a wasteful number, since it uses less digits than its factorization.

4257748073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42091.

The product of its (nonzero) digits is 1317120, while the sum is 47.

The square root of 4257748073 is about 65251.4219998308. The cubic root of 4257748073 is about 1620.7896461538.

The spelling of 4257748073 in words is "four billion, two hundred fifty-seven million, seven hundred forty-eight thousand, seventy-three".