72572039 has 8 divisors (see below), whose sum is σ = 76944000. Its totient is φ = 68255352.

The previous prime is 72572029. The next prime is 72572041. The reversal of 72572039 is 93027527.

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 72572039 - 2¹⁶ = 72506503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72572029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11099 + ... + 16380.

It is an arithmetic number, because the mean of its divisors is an integer number (9618000).

Almost surely, 2^72572039 is an apocalyptic number.

72572039 is a deficient number, since it is larger than the sum of its proper divisors (4371961).

72572039 is a wasteful number, since it uses less digits than its factorization.

72572039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27637.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 72572039 is about 8518.9224083801. The cubic root of 72572039 is about 417.1156087664.

The spelling of 72572039 in words is "seventy-two million, five hundred seventy-two thousand, thirty-nine".