72352101 has 8 divisors (see below), whose sum is σ = 98713120. Its totient is φ = 47112912.

The previous prime is 72352097. The next prime is 72352139. The reversal of 72352101 is 10125327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72352101 - 2² = 72352097 is a prime.

It is a super-2 number, since 2×72352101² = 10469653038228402, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72352151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280306 + ... + 280563.

It is an arithmetic number, because the mean of its divisors is an integer number (12339140).

Almost surely, 2^72352101 is an apocalyptic number.

It is an amenable number.

72352101 is a deficient number, since it is larger than the sum of its proper divisors (26361019).

72352101 is a wasteful number, since it uses less digits than its factorization.

72352101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560915.

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

The square root of 72352101 is about 8506.0038208315. The cubic root of 72352101 is about 416.6938099295.

Adding to 72352101 its reverse (10125327), we get a palindrome (82477428).

The spelling of 72352101 in words is "seventy-two million, three hundred fifty-two thousand, one hundred one".