4257748072 has 32 divisors (see below), whose sum is σ = 8245152000. Its totient is φ = 2059113600.

The previous prime is 4257748067. The next prime is 4257748127. The reversal of 4257748072 is 2708477524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666172 + ... + 672532.

It is an arithmetic number, because the mean of its divisors is an integer number (257661000).

Almost surely, 2^4257748072 is an apocalyptic number.

It is an amenable number.

4257748072 is a deficient number, since it is larger than the sum of its proper divisors (3987403928).

4257748072 is a wasteful number, since it uses less digits than its factorization.

4257748072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9097 (or 9093 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 46.

The square root of 4257748072 is about 65251.4219921681. The cubic root of 4257748072 is about 1620.7896460269.

It can be divided in two parts, 425774 and 8072, that added together give a triangular number (433846 = T₉₃₁).

The spelling of 4257748072 in words is "four billion, two hundred fifty-seven million, seven hundred forty-eight thousand, seventy-two".