71048737 has 2 divisors, whose sum is σ = 71048738. Its totient is φ = 71048736.

The previous prime is 71048723. The next prime is 71048741. The reversal of 71048737 is 73784017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39137536 + 31911201 = 6256^2 + 5649^2 .

It is a cyclic number.

It is not a de Polignac number, because 71048737 - 2¹⁵ = 71015969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71048696 and 71048705.

It is not a weakly prime, because it can be changed into another prime (71048137) 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, 35524368 + 35524369.

It is an arithmetic number, because the mean of its divisors is an integer number (35524369).

Almost surely, 2^71048737 is an apocalyptic number.

It is an amenable number.

71048737 is a deficient number, since it is larger than the sum of its proper divisors (1).

71048737 is an equidigital number, since it uses as much as digits as its factorization.

71048737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 71048737 is about 8429.0412859352. The cubic root of 71048737 is about 414.1765002359.

The spelling of 71048737 in words is "seventy-one million, forty-eight thousand, seven hundred thirty-seven".