72101411 has 8 divisors (see below), whose sum is σ = 75579504. Its totient is φ = 68705280.

The previous prime is 72101401. The next prime is 72101459. The reversal of 72101411 is 11410127.

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 72101411 - 2²² = 67907107 is a prime.

It is a super-2 number, since 2×72101411² = 10397226936381842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72101411.

It is not an unprimeable number, because it can be changed into a prime (72101401) 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, 18686 + ... + 22211.

It is an arithmetic number, because the mean of its divisors is an integer number (9447438).

Almost surely, 2^72101411 is an apocalyptic number.

72101411 is a deficient number, since it is larger than the sum of its proper divisors (3478093).

72101411 is a wasteful number, since it uses less digits than its factorization.

72101411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40981.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 72101411 is about 8491.2549720286. The cubic root of 72101411 is about 416.2119909262.

Adding to 72101411 its reverse (11410127), we get a palindrome (83511538).

The spelling of 72101411 in words is "seventy-two million, one hundred one thousand, four hundred eleven".