70429481 has 2 divisors, whose sum is σ = 70429482. Its totient is φ = 70429480.

The previous prime is 70429477. The next prime is 70429553. The reversal of 70429481 is 18492407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50537881 + 19891600 = 7109^2 + 4460^2 .

It is an emirp because it is prime and its reverse (18492407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70429481 - 2² = 70429477 is a prime.

It is a super-2 number, since 2×70429481² = 9920623587858722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70459481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35214740 + 35214741.

It is an arithmetic number, because the mean of its divisors is an integer number (35214741).

Almost surely, 2^70429481 is an apocalyptic number.

It is an amenable number.

70429481 is a deficient number, since it is larger than the sum of its proper divisors (1).

70429481 is an equidigital number, since it uses as much as digits as its factorization.

70429481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 70429481 is about 8392.2274158891. The cubic root of 70429481 is about 412.9696757338.

The spelling of 70429481 in words is "seventy million, four hundred twenty-nine thousand, four hundred eighty-one".