70941641 has 2 divisors, whose sum is σ = 70941642. Its totient is φ = 70941640.

The previous prime is 70941623. The next prime is 70941667. The reversal of 70941641 is 14614907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40691641 + 30250000 = 6379^2 + 5500^2 .

It is an emirp because it is prime and its reverse (14614907) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70941641 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70941598 and 70941607.

It is not a weakly prime, because it can be changed into another prime (70941601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35470820 + 35470821.

It is an arithmetic number, because the mean of its divisors is an integer number (35470821).

Almost surely, 2^70941641 is an apocalyptic number.

It is an amenable number.

70941641 is a deficient number, since it is larger than the sum of its proper divisors (1).

70941641 is an equidigital number, since it uses as much as digits as its factorization.

70941641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 70941641 is about 8422.6860917406. The cubic root of 70941641 is about 413.9682912695.

The spelling of 70941641 in words is "seventy million, nine hundred forty-one thousand, six hundred forty-one".