71751101 has 4 divisors (see below), whose sum is σ = 75971772. Its totient is φ = 67530432.

The previous prime is 71751091. The next prime is 71751149. The reversal of 71751101 is 10115717.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55145476 + 16605625 = 7426^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 71751101 - 2¹⁴ = 71734717 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 (71751301) 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, 2110310 + ... + 2110343.

It is an arithmetic number, because the mean of its divisors is an integer number (18992943).

Almost surely, 2^71751101 is an apocalyptic number.

It is an amenable number.

71751101 is a deficient number, since it is larger than the sum of its proper divisors (4220671).

71751101 is a wasteful number, since it uses less digits than its factorization.

71751101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220670.

The product of its (nonzero) digits is 245, while the sum is 23.

The square root of 71751101 is about 8470.6021627745. The cubic root of 71751101 is about 415.5368307971.

Adding to 71751101 its reverse (10115717), we get a palindrome (81866818).

The spelling of 71751101 in words is "seventy-one million, seven hundred fifty-one thousand, one hundred one".