70841629 has 2 divisors, whose sum is σ = 70841630. Its totient is φ = 70841628.

The previous prime is 70841611. The next prime is 70841651. The reversal of 70841629 is 92614807.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35676729 + 35164900 = 5973^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 70841629 - 2¹³ = 70833437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70841129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35420814 + 35420815.

It is an arithmetic number, because the mean of its divisors is an integer number (35420815).

Almost surely, 2^70841629 is an apocalyptic number.

It is an amenable number.

70841629 is a deficient number, since it is larger than the sum of its proper divisors (1).

70841629 is an equidigital number, since it uses as much as digits as its factorization.

70841629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 70841629 is about 8416.7469369110. The cubic root of 70841629 is about 413.7736652492.

The spelling of 70841629 in words is "seventy million, eight hundred forty-one thousand, six hundred twenty-nine".