70422029 has 4 divisors (see below), whose sum is σ = 70594620. Its totient is φ = 70249440.

The previous prime is 70422013. The next prime is 70422043. The reversal of 70422029 is 92022407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92022407 = 1051 ⋅87557.

It can be written as a sum of positive squares in 2 ways, for example, as 63520900 + 6901129 = 7970^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 70422029 - 2⁴ = 70422013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70421989 and 70422007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70422059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85682 + ... + 86499.

It is an arithmetic number, because the mean of its divisors is an integer number (17648655).

Almost surely, 2^70422029 is an apocalyptic number.

It is an amenable number.

70422029 is a deficient number, since it is larger than the sum of its proper divisors (172591).

70422029 is a wasteful number, since it uses less digits than its factorization.

70422029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172590.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 70422029 is about 8391.7834218955. The cubic root of 70422029 is about 412.9551100598.

The spelling of 70422029 in words is "seventy million, four hundred twenty-two thousand, twenty-nine".