70000481 has 2 divisors, whose sum is σ = 70000482. Its totient is φ = 70000480.

The previous prime is 70000453. The next prime is 70000493. The reversal of 70000481 is 18400007.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64144081 + 5856400 = 8009^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 70000481 - 2⁶ = 70000417 is a prime.

It is a super-2 number, since 2×70000481² = 9800134680462722, which contains 22 as substring.

70000481 is a modest number, since divided by 481 gives 70 as remainder.

It is not a weakly prime, because it can be changed into another prime (70000451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000240 + 35000241.

It is an arithmetic number, because the mean of its divisors is an integer number (35000241).

Almost surely, 2^70000481 is an apocalyptic number.

It is an amenable number.

70000481 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000481 is an equidigital number, since it uses as much as digits as its factorization.

70000481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 70000481 is about 8366.6290105394. The cubic root of 70000481 is about 412.1294739493.

Adding to 70000481 its reverse (18400007), we get a palindrome (88400488).

The spelling of 70000481 in words is "seventy million, four hundred eighty-one", and thus it is an aban number.