71746461 has 12 divisors (see below), whose sum is σ = 104661180. Its totient is φ = 47356800.

The previous prime is 71746439. The next prime is 71746463. The reversal of 71746461 is 16464717.

71746461 is a `hidden beast` number, since 7 + 1 + 7 + 4 + 646 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69405561 + 2340900 = 8331^2 + 1530^2 .

It is not a de Polignac number, because 71746461 - 2⁶ = 71746397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71746463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38556 + ... + 40373.

It is an arithmetic number, because the mean of its divisors is an integer number (8721765).

Almost surely, 2^71746461 is an apocalyptic number.

It is an amenable number.

71746461 is a deficient number, since it is larger than the sum of its proper divisors (32914719).

71746461 is a wasteful number, since it uses less digits than its factorization.

71746461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79036 (or 79033 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 71746461 is about 8470.3282699078. The cubic root of 71746461 is about 415.5278732925.

The spelling of 71746461 in words is "seventy-one million, seven hundred forty-six thousand, four hundred sixty-one".