71650101 has 4 divisors (see below), whose sum is σ = 95533472. Its totient is φ = 47766732.

The previous prime is 71650091. The next prime is 71650151. The reversal of 71650101 is 10105617.

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 not a de Polignac number, because 71650101 - 2⁵ = 71650069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71650151) 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, 11941681 + ... + 11941686.

It is an arithmetic number, because the mean of its divisors is an integer number (23883368).

Almost surely, 2^71650101 is an apocalyptic number.

It is an amenable number.

71650101 is a deficient number, since it is larger than the sum of its proper divisors (23883371).

71650101 is a wasteful number, since it uses less digits than its factorization.

71650101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23883370.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 71650101 is about 8464.6382675221. The cubic root of 71650101 is about 415.3417632775.

Adding to 71650101 its reverse (10105617), we get a palindrome (81755718).

The spelling of 71650101 in words is "seventy-one million, six hundred fifty thousand, one hundred one".