70273429 has 2 divisors, whose sum is σ = 70273430. Its totient is φ = 70273428.

The previous prime is 70273331. The next prime is 70273451. The reversal of 70273429 is 92437207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64368529 + 5904900 = 8023^2 + 2430^2 .

It is a cyclic number.

It is not a de Polignac number, because 70273429 - 2¹¹ = 70271381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70273394 and 70273403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70276429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35136714 + 35136715.

It is an arithmetic number, because the mean of its divisors is an integer number (35136715).

Almost surely, 2^70273429 is an apocalyptic number.

It is an amenable number.

70273429 is a deficient number, since it is larger than the sum of its proper divisors (1).

70273429 is an equidigital number, since it uses as much as digits as its factorization.

70273429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 70273429 is about 8382.9248475696. The cubic root of 70273429 is about 412.6644418139.

The spelling of 70273429 in words is "seventy million, two hundred seventy-three thousand, four hundred twenty-nine".