72057711 has 16 divisors (see below), whose sum is σ = 105896448. Its totient is φ = 43219200.

The previous prime is 72057697. The next prime is 72057719. The reversal of 72057711 is 11775027.

It is not a de Polignac number, because 72057711 - 2¹⁴ = 72041327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72057719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8055 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (6618528).

Almost surely, 2^72057711 is an apocalyptic number.

72057711 is a deficient number, since it is larger than the sum of its proper divisors (33838737).

72057711 is a wasteful number, since it uses less digits than its factorization.

72057711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22622.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 72057711 is about 8488.6813463576. The cubic root of 72057711 is about 416.1278865163.

The spelling of 72057711 in words is "seventy-two million, fifty-seven thousand, seven hundred eleven".