72560001 has 8 divisors (see below), whose sum is σ = 100082880. Its totient is φ = 46705232.

The previous prime is 72559969. The next prime is 72560023. The reversal of 72560001 is 10006527.

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 72560001 - 2⁵ = 72559969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72560001.

It is not an unprimeable number, because it can be changed into a prime (72560701) 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, 416925 + ... + 417098.

It is an arithmetic number, because the mean of its divisors is an integer number (12510360).

Almost surely, 2^72560001 is an apocalyptic number.

It is an amenable number.

72560001 is a deficient number, since it is larger than the sum of its proper divisors (27522879).

72560001 is a wasteful number, since it uses less digits than its factorization.

72560001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834055.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 72560001 is about 8518.2158343165. The cubic root of 72560001 is about 417.0925442573.

Adding to 72560001 its reverse (10006527), we get a palindrome (82566528).

It can be divided in two parts, 725 and 60001, that added together give a triangular number (60726 = T₃₄₈).

The spelling of 72560001 in words is "seventy-two million, five hundred sixty thousand, one".