70741543 has 2 divisors, whose sum is σ = 70741544. Its totient is φ = 70741542.

The previous prime is 70741529. The next prime is 70741549. The reversal of 70741543 is 34514707.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70741543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70741549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35370771 + 35370772.

It is an arithmetic number, because the mean of its divisors is an integer number (35370772).

Almost surely, 2^70741543 is an apocalyptic number.

70741543 is a deficient number, since it is larger than the sum of its proper divisors (1).

70741543 is an equidigital number, since it uses as much as digits as its factorization.

70741543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70741543 is about 8410.7991891377. The cubic root of 70741543 is about 413.5787117551.

The spelling of 70741543 in words is "seventy million, seven hundred forty-one thousand, five hundred forty-three".