70746569 has 2 divisors, whose sum is σ = 70746570. Its totient is φ = 70746568.

The previous prime is 70746539. The next prime is 70746583. The reversal of 70746569 is 96564707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46854025 + 23892544 = 6845^2 + 4888^2 .

It is a cyclic number.

It is not a de Polignac number, because 70746569 - 2²⁴ = 53969353 is a prime.

It is a super-2 number, since 2×70746569² = 10010154050543522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70746509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35373284 + 35373285.

It is an arithmetic number, because the mean of its divisors is an integer number (35373285).

Almost surely, 2^70746569 is an apocalyptic number.

It is an amenable number.

70746569 is a deficient number, since it is larger than the sum of its proper divisors (1).

70746569 is an equidigital number, since it uses as much as digits as its factorization.

70746569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 70746569 is about 8411.0979663775. The cubic root of 70746569 is about 413.5885060819.

The spelling of 70746569 in words is "seventy million, seven hundred forty-six thousand, five hundred sixty-nine".