70940629 has 2 divisors, whose sum is σ = 70940630. Its totient is φ = 70940628.

The previous prime is 70940599. The next prime is 70940633. The reversal of 70940629 is 92604907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59367025 + 11573604 = 7705^2 + 3402^2 .

It is an emirp because it is prime and its reverse (92604907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70940629 - 2⁷ = 70940501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70940689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35470314 + 35470315.

It is an arithmetic number, because the mean of its divisors is an integer number (35470315).

Almost surely, 2^70940629 is an apocalyptic number.

It is an amenable number.

70940629 is a deficient number, since it is larger than the sum of its proper divisors (1).

70940629 is an equidigital number, since it uses as much as digits as its factorization.

70940629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 70940629 is about 8422.6260156794. The cubic root of 70940629 is about 413.9663228069.

The spelling of 70940629 in words is "seventy million, nine hundred forty thousand, six hundred twenty-nine".