72104601 has 32 divisors (see below), whose sum is σ = 105062400. Its totient is φ = 43830720.

The previous prime is 72104581. The next prime is 72104603. The reversal of 72104601 is 10640127.

It is not a de Polignac number, because 72104601 - 2⁶ = 72104537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72104603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377416 + ... + 377606.

It is an arithmetic number, because the mean of its divisors is an integer number (3283200).

Almost surely, 2^72104601 is an apocalyptic number.

It is an amenable number.

72104601 is a deficient number, since it is larger than the sum of its proper divisors (32957799).

72104601 is a wasteful number, since it uses less digits than its factorization.

72104601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 72104601 is about 8491.4428102649. The cubic root of 72104601 is about 416.2181290246.

Adding to 72104601 its reverse (10640127), we get a palindrome (82744728).

It can be divided in two parts, 7210 and 4601, that added together give a palindrome (11811).

The spelling of 72104601 in words is "seventy-two million, one hundred four thousand, six hundred one".