72052747 has 8 divisors (see below), whose sum is σ = 78911280. Its totient is φ = 65382240.

The previous prime is 72052699. The next prime is 72052759. The reversal of 72052747 is 74725027.

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 72052747 - 2⁷ = 72052619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72052787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46204 + ... + 47737.

It is an arithmetic number, because the mean of its divisors is an integer number (9863910).

Almost surely, 2^72052747 is an apocalyptic number.

72052747 is a deficient number, since it is larger than the sum of its proper divisors (6858533).

72052747 is a wasteful number, since it uses less digits than its factorization.

72052747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94013.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 72052747 is about 8488.3889519743. The cubic root of 72052747 is about 416.1183307208.

The spelling of 72052747 in words is "seventy-two million, fifty-two thousand, seven hundred forty-seven".