4257742072 has 64 divisors (see below), whose sum is σ = 8911879200. Its totient is φ = 1895178240.

The previous prime is 4257742007. The next prime is 4257742081. The reversal of 4257742072 is 2702477524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2740848 + ... + 2742400.

Almost surely, 2^4257742072 is an apocalyptic number.

It is an amenable number.

4257742072 is an abundant number, since it is smaller than the sum of its proper divisors (4654137128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4257742072 is a wasteful number, since it uses less digits than its factorization.

4257742072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 40.

The square root of 4257742072 is about 65251.3760161424. The cubic root of 4257742072 is about 1620.7888846900.

The spelling of 4257742072 in words is "four billion, two hundred fifty-seven million, seven hundred forty-two thousand, seventy-two".