70761563 has 2 divisors, whose sum is σ = 70761564. Its totient is φ = 70761562.

The previous prime is 70761541. The next prime is 70761569. The reversal of 70761563 is 36516707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70761563 - 2¹⁴ = 70745179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (70761569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35380781 + 35380782.

It is an arithmetic number, because the mean of its divisors is an integer number (35380782).

Almost surely, 2^70761563 is an apocalyptic number.

70761563 is a deficient number, since it is larger than the sum of its proper divisors (1).

70761563 is an equidigital number, since it uses as much as digits as its factorization.

70761563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 70761563 is about 8411.9892415528. The cubic root of 70761563 is about 413.6177226130.

The spelling of 70761563 in words is "seventy million, seven hundred sixty-one thousand, five hundred sixty-three".