71680101 has 4 divisors (see below), whose sum is σ = 95573472. Its totient is φ = 47786732.

The previous prime is 71680079. The next prime is 71680111. The reversal of 71680101 is 10108617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71680101 - 2⁹ = 71679589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71680111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11946681 + ... + 11946686.

It is an arithmetic number, because the mean of its divisors is an integer number (23893368).

Almost surely, 2^71680101 is an apocalyptic number.

It is an amenable number.

71680101 is a deficient number, since it is larger than the sum of its proper divisors (23893371).

71680101 is a wasteful number, since it uses less digits than its factorization.

71680101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23893370.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 71680101 is about 8466.4101601564. The cubic root of 71680101 is about 415.3997232529.

Adding to 71680101 its reverse (10108617), we get a palindrome (81788718).

The spelling of 71680101 in words is "seventy-one million, six hundred eighty thousand, one hundred one".