70422073 has 2 divisors, whose sum is σ = 70422074. Its totient is φ = 70422072.

The previous prime is 70422061. The next prime is 70422127. The reversal of 70422073 is 37022407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48818169 + 21603904 = 6987^2 + 4648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70422073 is a prime.

It is not a weakly prime, because it can be changed into another prime (70422013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35211036 + 35211037.

It is an arithmetic number, because the mean of its divisors is an integer number (35211037).

Almost surely, 2^70422073 is an apocalyptic number.

It is an amenable number.

70422073 is a deficient number, since it is larger than the sum of its proper divisors (1).

70422073 is an equidigital number, since it uses as much as digits as its factorization.

70422073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 70422073 is about 8391.7860435071. The cubic root of 70422073 is about 412.9551960652.

The spelling of 70422073 in words is "seventy million, four hundred twenty-two thousand, seventy-three".