70612481 has 2 divisors, whose sum is σ = 70612482. Its totient is φ = 70612480.

The previous prime is 70612469. The next prime is 70612501. The reversal of 70612481 is 18421607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69872881 + 739600 = 8359^2 + 860^2 .

It is an emirp because it is prime and its reverse (18421607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70612481 - 2¹⁸ = 70350337 is a prime.

It is a super-2 number, since 2×70612481² = 9972244945950722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70612181) 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 as a sum of consecutive naturals, namely, 35306240 + 35306241.

It is an arithmetic number, because the mean of its divisors is an integer number (35306241).

Almost surely, 2^70612481 is an apocalyptic number.

It is an amenable number.

70612481 is a deficient number, since it is larger than the sum of its proper divisors (1).

70612481 is an equidigital number, since it uses as much as digits as its factorization.

70612481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 70612481 is about 8403.1232883970. The cubic root of 70612481 is about 413.3270454443.

The spelling of 70612481 in words is "seventy million, six hundred twelve thousand, four hundred eighty-one".