71741731 has 2 divisors, whose sum is σ = 71741732. Its totient is φ = 71741730.

The previous prime is 71741723. The next prime is 71741783. The reversal of 71741731 is 13714717.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71741731 - 2³ = 71741723 is a prime.

It is a super-2 number, since 2×71741731² = 10293751933752722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71741693 and 71741702.

It is not a weakly prime, because it can be changed into another prime (71741711) 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 as a sum of consecutive naturals, namely, 35870865 + 35870866.

It is an arithmetic number, because the mean of its divisors is an integer number (35870866).

Almost surely, 2^71741731 is an apocalyptic number.

71741731 is a deficient number, since it is larger than the sum of its proper divisors (1).

71741731 is an equidigital number, since it uses as much as digits as its factorization.

71741731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4116, while the sum is 31.

The square root of 71741731 is about 8470.0490553479. The cubic root of 71741731 is about 415.5187416456.

The spelling of 71741731 in words is "seventy-one million, seven hundred forty-one thousand, seven hundred thirty-one".