70027739 has 2 divisors, whose sum is σ = 70027740. Its totient is φ = 70027738.

The previous prime is 70027691. The next prime is 70027747. The reversal of 70027739 is 93772007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70027739 - 2¹⁶ = 69962203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70027699 and 70027708.

It is not a weakly prime, because it can be changed into another prime (70027759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35013869 + 35013870.

It is an arithmetic number, because the mean of its divisors is an integer number (35013870).

Almost surely, 2^70027739 is an apocalyptic number.

70027739 is a deficient number, since it is larger than the sum of its proper divisors (1).

70027739 is an equidigital number, since it uses as much as digits as its factorization.

70027739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 70027739 is about 8368.2578234660. The cubic root of 70027739 is about 412.1829610454.

It can be divided in two parts, 7002 and 7739, that added together give a palindrome (14741).

The spelling of 70027739 in words is "seventy million, twenty-seven thousand, seven hundred thirty-nine".